Projects funded by the NCN


Information on the principal investigator and host institution

Information of the project and the call

Keywords

Equipment

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Background Independent Quantum Gravity

2011/02/A/ST2/00300

Keywords:

quantum gravity loop quantum gravity spin foam models,

Descriptors:

  • ST2_11: Lasers, ultrashort pulses and laser physics

Panel:

ST2 - Fundamental constituents of matter: particle, nuclear, plasma, atomic, molecular, gas and optical physics

Host institution :

Uniwersytet Warszawski, Wydział Fizyki

woj. mazowieckie

Other projects carried out by the institution 

Principal investigator (from the host institution):

prof. Jerzy Lewandowski 

Number of co-investigators in the project: 11

Call: MAESTRO 1 - announced on 2011-06-15

Amount awarded: 1 794 000 PLN

Project start date (Y-m-d): 2012-05-28

Project end date (Y-m-d): 2018-05-28

Project duration:: 72 months (the same as in the proposal)

Project status: Project settled

Information in the final report

  • Publication in academic press/journals (52)
  • Articles in post-conference publications (6)
  1. On the polymer quantization of connection theories: graph coherent states
    Authors:
    Mehdi Assanioussi
    Academic press:
    Physical Review D (rok: 2018, tom: 98, strony: 45016), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.98.045016 - link to the publication
  2. A symmetric scalar constraint for loop quantum gravity
    Authors:
    J. Lewandowski, H. Sahlmann
    Academic press:
    Physical Review D (rok: 2015, tom: 91, strony: 044022-1, ..., 044022-), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.91.044022 - link to the publication
  3. Coherent State Operators in Loop Quantum Gravity
    Authors:
    E. Alesci, A. Dapor, J. Lewandowski, I. Mäkinen, J. Sikorski
    Academic press:
    Physical Review D (rok: 2015, tom: 92, strony: 104023-1, ..., 104023-21), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.92.104023 - link to the publication
  4. Emergent de Sitter epoch of the quantum Cosmos
    Authors:
    Mehdi Assanioussi, Andrea Dapor, Klaus Liegener, Tomasz Pawlowski
    Academic press:
    Physical Review Letters (rok: 2018, tom: 121, strony: 81303), Wydawca: American Physical Society (US)
    Status:
    Published
    DOI:
    10.1103/PhysRevLett.121.081303 - link to the publication
  5. New scalar constraint operator for loop quantum gravity
    Authors:
    M. Assanioussi, J. Lewandowski, I. Mäkinen
    Academic press:
    Physical Review D (rok: 2015, tom: 92, strony: 044042-1, ... 044042-9), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.92.044042 - link to the publication
  6. Quantum Reference Frames via Transition Amplitudes in Timeless Quantum Gravity
    Authors:
    Jerzy Lewandowski, Chun-Yen Lin
    Academic press:
    Classical and Quantum Gravity (rok: 2018, tom: -98, strony: 26023), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1103/physrevd.98.026023 - link to the publication
  7. Quantum reduced loop gravity: Universe on a lattice
    Authors:
    E. Alesci, F. Cianfrani
    Academic press:
    Physical Review D (rok: 2015, tom: 92, strony: 084065-1, ..., 084065-13), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.92.084065 - link to the publication
  8. Rainbow metric from quantum gravity: Anisotropic cosmology
    Authors:
    Mehdi Assanioussi, Andrea Daporr
    Academic press:
    Physical Review D (rok: 2017, tom: 95, strony: 63513), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.95.063513 - link to the publication
  9. Singularity resolution from polymer quantum matter
    Authors:
    A. Kreienbuehl, T. Pawłowski
    Academic press:
    Physical Review D (rok: 2013, tom: 88, strony: 043504-1, ... 043504-13), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.88.043504 - link to the publication
  10. Asymptotic analysis of the EPRL model with timelike tetrahedra
    Authors:
    Wojciech Kamiński, Marcin Kisielowski, Hanno Sahlmann
    Academic press:
    Classical and Quantum Gravity (rok: 2018, tom: 35, strony: 135012), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/1361-6382/aac6a4 - link to the publication
  11. Emergent de Sitter epoch of the Loop Quantum Cosmos: a detailed analysis
    Authors:
    Mehdi Assanioussi, Andrea Dapor, Klaus Liegener, Tomasz Pawlowski
    Academic press:
    Phys. Rev. D 100, 084003 (2019) (rok: 2019, tom: 100, strony: 084003 (51)), Wydawca: American Physical Society (APS)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.100.084003 - link to the publication
  12. Exploring the Tomlin-Varadarajan quantum constraints in U(1)^3 loop quantum gravity: Solutions and the Minkowski theorem
    Authors:
    Jerzy Lewandowski, Chun-Yen Lin
    Academic press:
    Physical Review D (rok: 2017, tom: 95, strony: 64032), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.95.064032 - link to the publication
  13. General relativity in the radial gauge: Reduced phase space and canonical structure
    Authors:
    N. Bodendorfer, J. Lewandowski, J. Świeżewski
    Academic press:
    Physical Review D (rok: 2015, tom: 92, strony: 084041-1, ..., 084041-19), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.92.084041 - link to the publication
  14. Loop quantum cosmology from quantum reduced loop gravity
    Authors:
    E. Alesci, F. Cianfrani
    Academic press:
    Europhysics Letters (rok: 2015, tom: 111, strony: 40002-1, ..., 4000-7), Wydawca: EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
    Status:
    Published
    DOI:
    10.1209/0295-5075/111/40002 - link to the publication
  15. Observables for General Relativity related to geometry
    Authors:
    P. Duch, W. Kamiński, J. Lewandowski, J. Świeżewski
    Academic press:
    Journal of High Energy Physics (rok: 2014, tom: 05 (2014), strony: 077-1 … 077-31), Wydawca: SISSA by Springer
    Status:
    Published
    DOI:
    10.1007/JHEP05(2014)077 - link to the publication
  16. Quantum-Reduced Loop Gravity: Cosmology
    Authors:
    E. Alesci, F. Cianfrani
    Academic press:
    Physical Review D (rok: 2013, tom: 87, strony: 87.083521-1, ... 87.083521-21), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.87.083521 - link to the publication
  17. Relational evolution of observables for Hamiltonian-constrained systems
    Authors:
    A. Dapor, W. Kamiński, J. Lewandowski, J. Świeżewski
    Academic press:
    PHYSICAL REVIEW D (rok: 2013, tom: 88, strony: 084007-1, ..., 084007-8), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.88.084007 - link to the publication
  18. Symmetries of Trautman retarded radial coordinates
    Authors:
    Maciej Kolanowski, Jerzy Lewandowski
    Academic press:
    Classical and Quantum Gravity (rok: 2018, tom: 35, strony: 45010), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/1361-6382/aaa1dd - link to the publication
  19. Cosmological coherent state expectation values in loop quantum gravity I. Isotropic kinematics
    Authors:
    Andrea Dapor, Klaus Liegener
    Academic press:
    Classical and Quantum Gravity (rok: 2018, tom: 35, strony: 135011), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/1361-6382/aac4ba - link to the publication
  20. Loop Quantum Cosmology of a Radiation-Dominated Flat FLRW Universe
    Authors:
    T. Pawłowski, R. Pierini, E. Wilson-Ewing
    Academic press:
    Physical Review D (rok: 2014, tom: 90, strony: 123538-1 ... 123538-23), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.90.123538 - link to the publication
  21. Neighborhoods of isolated horizons and their stationarity
    Authors:
    J. Lewandowski, T. Pawłowski
    Academic press:
    Classical and Quantum Gravity (rok: 2014, tom: 31, strony: 175012-1 … 175012-47), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/0264-9381/31/17/175012 - link to the publication
  22. One vertex spin-foams with the dipole cosmology boundary
    Authors:
    M. Kisielowski, J. Lewandowski, J. Puchta
    Academic press:
    Classical and Quantum Gravity (rok: 2013, tom: 30, strony: 025007-1, ... , 025007-35), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/0264-9381/30/2/025007 - link to the publication
  23. Quantum reduced loop gravity: Semiclassical limit
    Authors:
    E. Alesci, F. Cianfrani
    Academic press:
    PHYSICAL REVIEW D (rok: 2014, tom: 90, strony: 024006-1… 024006-22), Wydawca: American Physical Society (US)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.90.024006 - link to the publication
  24. Quantum theory of electromagnetic fields in a cosmological quantum spacetime
    Authors:
    Jerzy Lewandowski, Mohammad Nouri-Zonoz, Ali Parvizi, Yaser Tavakoli
    Academic press:
    Physical Review D (rok: 2017, tom: 96, strony: 106007), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.96.106007 - link to the publication
  25. The Barrett–Crane model: asymptotic measure factor
    Authors:
    W. Kamiński, S. Steinhaus
    Academic press:
    Classical and Quantum Gravity (rok: 2013, tom: 31, strony: 075014-1, ... , 075014-14), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/0264-9381/31/7/075014 - link to the publication
  26. A new perspective on cosmology in Loop Quantum Gravity
    Authors:
    E. Alesci, F. Cianfrani
    Academic press:
    Europhysics Letters (rok: 2013, tom: 104, strony: 10001-1, ... 10001-5), Wydawca: EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
    Status:
    Published
    DOI:
    10.1209/0295-5075/104/10001 - link to the publication
  27. Coherent 3j-symbol representation for the loop quantum gravity intertwiner space
    Authors:
    Emanuele Alesci, Jerzy Lewandowski, Ilkka Mäkinen
    Academic press:
    Physical Review D (rok: 2016, tom: 94, strony: 084028-1...084028-18), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.94.084028 - link to the publication
  28. Coherent states, 6j symbols and properties of the next to leading order asymptotic expansions
    Authors:
    W. Kamiński, S. Steinhausy
    Academic press:
    Journal of Mathematical Physics (rok: 2013, tom: 54, strony: 121703-1, ... , 121703-55), Wydawca: AIP Publishing
    Status:
    Published
    DOI:
    10.1063/1.4849515 - link to the publication
  29. Continuum approach to the BF vacuum: The U(1) case
    Authors:
    Patryk Drobiński, Jerzy Lewandowski
    Academic press:
    Physical Review D (rok: 2017, tom: 96, strony: 126011), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.96.126011 - link to the publication
  30. Matrix Elements of Lorentzian Hamiltonian Constraint in LQG
    Authors:
    E. Alesci, K. Liegener, A. Zipfel
    Academic press:
    Physical Review D (rok: 2013, tom: 88, strony: 084043-1, ... 084043-28), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.88.084043 - link to the publication
  31. Observer's observables. Residual diffeomorphisms
    Authors:
    P. Duch, J. Lewandowski, J. Świeżewski
    Academic press:
    Classical and Quantum Gravity (rok: 2017, tom: 34, strony: 125009), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/1361-6382/aa6f33 - link to the publication
  32. QFT on quantum spacetime: A compatible classical framework
    Authors:
    A. Dapor, J. Lewandowski, J. Puchta
    Academic press:
    Physical Review D (rok: 2013, tom: 87, strony: 104038-1, ... 104038-22), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.87.104038 - link to the publication
  33. Quantum reduced loop gravity: Extension to scalar fields
    Authors:
    J. Bilski, E. Alesci, F. Cianfrani
    Academic press:
    Physical Review D (rok: 2015, tom: 92, strony: 124029-1, ..., 124029-14), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.92.124029 - link to the publication
  34. Rainbow metric from quantum gravity
    Authors:
    M. Assanioussi, A. Dapor, J. Lewandowski
    Academic press:
    Physics Letters B (rok: 2015, tom: 751, strony: 302-305), Wydawca: Elsevier
    Status:
    Published
  35. Scalar field as a time variable during gravitational evolution
    Authors:
    A. Nakonieczna, J. Lewandowski
    Academic press:
    Physical Review D (rok: 2015, tom: 92, strony: 064031-1, ..., 064031-), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.92.064031 - link to the publication
  36. Spin-foam model for gravity coupled to massless scalar field
    Authors:
    Marcin Kisielowski, Jerzy Lewandowski
    Academic press:
    Classical and Quantum Gravity (rok: 2018, tom: 36, strony: 75006), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/1361-6382/aafcc0 - link to the publication
  37. Time evolution in deparametrized models of loop quantum gravity
    Authors:
    Mehdi Assanioussi, Jerzy Lewandowski, Ilkka Mäkinen
    Academic press:
    Physical Review D (rok: 2017, tom: 96, strony: 24043), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.96.024043 - link to the publication
  38. A quantum reduction to spherical symmetry in loop quantum gravity
    Authors:
    N. Bodendorfer, J. Lewandowski, J. Świeżewski
    Academic press:
    Physics Letters (rok: 2015, tom: 747, strony: 18-21), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.1016/j.physletb.2015.05.040 - link to the publication
  39. Addendum: Observables for General Relativity related to geometry
    Authors:
    P.Duch, W.Kamiński, J. Lewandowski, J.Świeżewski
    Academic press:
    Journal of High Energy Physics (rok: 2015, tom: 1504, strony: 4 strony), Wydawca: SISSA by Springer
    Status:
    Published
    DOI:
    10.1007/JHEP04(2015)075 - link to the publication
  40. Curvature operator for loop quantum gravity
    Authors:
    E. Alesci, M. Assanioussi, J. Lewandowski
    Academic press:
    PHYSICAL REVIEW D (rok: 2014, tom: 89, strony: 124017-1… 124017-13), Wydawca: American Physical Society (US)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.89.124017 - link to the publication
  41. Discretization independence implies non-locality in 4D discrete quantum gravity
    Authors:
    B. Dittrich, W. Kamiński, S. Steinhaus
    Academic press:
    Classical and Quantum Gravity (rok: 2014, tom: 31, strony: 245009-1 ... 245009-25), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1088/0264-9381/31/24/245009 - link to the publication
  42. Hamiltonian operator for loop quantum gravity coupled to a scalar field
    Authors:
    E. Alesci, M. Assanioussi, J. Lewandowski, I. Mäkinen
    Academic press:
    Physical Review D (rok: 2015, tom: 91, strony: 124067-1, ... , 124067-19), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.91.124067 - link to the publication
  43. Loop quantum gravity coupled to a scalar field
    Authors:
    Jerzy Lewandowski, Hanno Sahlmann
    Academic press:
    Physical Review D (rok: 2016, tom: 93, strony: 24042), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.93.024042 - link to the publication
  44. Metric emerging to massive modes in quantum cosmological space-times
    Authors:
    A. Dapor, J. Lewandowski
    Academic press:
    Physical Review D (rok: 2013, tom: 87, strony: 063512-1, ... 063512-7), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.87.063512 - link to the publication
  45. Perspectives on the dynamics in a loop quantum gravity effective description of black hole interiors
    Authors:
    Mehdi Assanioussi, Andrea Dapor, Klaus Liegener
    Academic press:
    Physical Review D (rok: 2020, tom: 101, strony: 026002 (13)), Wydawca: APS
    Status:
    Published
    DOI:
    10.1103/PhysRevD.101.026002 - link to the publication
  46. QUANTUM REDUCED LOOP GRAVITY AND THE FOUNDATION OF LOOP QUANTUM COSMOLOGY
    Authors:
    Emanuele Alesci, Francesco Cianfrani
    Academic press:
    International Journal of Modern Physics D (rok: 2016, tom: 25, strony: 1642005 (18 stron)), Wydawca: WORLD SCIENTIFIC PUBL CO PTE LTD
    Status:
    Published
    DOI:
    10.1142/S0218271816420050 - link to the publication
  47. Quantum reduced loop gravity effective Hamiltonians from a statistical regularization scheme
    Authors:
    Emanuele Alesci, Gioele Botta, Gabriele V. Stagno
    Academic press:
    Physical Review D (rok: 2018, tom: 97, strony: 46011), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.97.046011 - link to the publication
  48. Quantum-Reduced Loop-Gravity: Relation with the Full Theory
    Authors:
    E. Alesci, F. Cianfrani, C. Rovelli
    Academic press:
    Physical Review D (rok: 2013, tom: 88, strony: 104001-1, ... 104001-5), Wydawca: American Physical Society (United States)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.88.104001 - link to the publication
  49. Relation between Regge calculus and BF theory on manifolds with defects
    Authors:
    Marcin Kisielowski
    Academic press:
    Annales Henri Poincaré (rok: 2018, tom: 20, strony: 1403–1437), Wydawca: ELSEVIER
    Status:
    Published
    DOI:
    10.1007/s00023-018-0747-6 - link to the publication
  50. Separable Hilbert space for loop quantization
    Authors:
    J. F. Barbero G., T. Pawłowski , E. J. S. Villasenor
    Academic press:
    Physical Review D (rok: 2014, tom: 90, strony: 067505-1 ... 067505-5), Wydawca: American Physical Society (US)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.90.067505 - link to the publication
  51. The algebra of observables in Gaußian normal spacetime coordinates
    Authors:
    Norbert Bodendorfer, Paweł Duch, Jerzy Lewandowski, Jędrzej Świeżewski
    Academic press:
    Journal of High Energy Physics (rok: 2016, tom: 1601, strony: 047-1 ... 047-17), Wydawca: SISSA by Springer
    Status:
    Published
    DOI:
    10.1007/JHEP01(2016)047 - link to the publication
  52. Towards the self-adjointness of a Hamiltonian operator in loop quantum gravity
    Authors:
    Cong Zhang, Jerzy Lewandowski, Yongge Ma
    Academic press:
    Physical Review D (rok: 2018, tom: 98, strony: 86014), Wydawca: IOP Publishing (UK)
    Status:
    Published
    DOI:
    10.1103/PhysRevD.98.086014 - link to the publication
  1. The polymer quantization in LQG: massless scalar field
    Authors:
    M. Domagała, M. Dziendzikowski, J. Lewandowski
    Conference:
    3rd Quantum Geometry and Quantum Gravity School (QGQGS 2011) (rok: 2012, ), Wydawca: Proceedings of Science; http://pos.sissa.it/
    Data:
    konferencja 28 Feb - 13 Mar 2011
    Status:
    Published
  2. LQG Cosmology from the full LQG
    Authors:
    E. Alesci, F. Cianfrani
    Conference:
    XXIX International Colloquium on Group-Theoretical Methods in Physics (rok: 2013, ), Wydawca: World Scientific
    Data:
    konferencja 41122
    Status:
    Published
  3. Recent developments in quantum dynamics of loop quantum gravity
    Authors:
    Mehdi Assanioussi, Jerzy Lewandowski, Ilkka Mäkinen
    Conference:
    The Fourteenth Marcel Grossmann Meeting (rok: 2017, ), Wydawca: World Scientific Publishing Co Pte Ltd
    Data:
    konferencja 12-18.07.2015
    Status:
    Published
  4. A new perspective on early cosmology
    Authors:
    E. Alesci
    Conference:
    XIII-th Marcel Grossmann Meeting on General Relativity (rok: 2014, ), Wydawca: World Scientific
    Data:
    konferencja 41091
    Status:
    Published
  5. Loop Quantum Gravity with Scalar Field as a Physical Time Variable
    Authors:
    M. Assanioussi, J. Lewandowski, I. Mäkinen
    Conference:
    3rd Conference of the Polish Society on Relativity (rok: 2017, ), Wydawca: Acta Physica Polonica B (Uniwersytet Jagielloński, PAN)
    Data:
    konferencja 25-29.09.2016
    Status:
    Published
  6. Loop quantum gravity with a free scalar field: A physical Hamiltonian operator
    Authors:
    Emanuele Alesci, Mehdi Assanioussi, Jerzy Lewandowski, Ilkka Mäkinen
    Conference:
    The Fourteenth Marcel Grossmann Meeting (rok: 2017, ), Wydawca: World Scientific Publishing Co Pte Ltd
    Data:
    konferencja 12-18.07.2015
    Status:
    Published