Scientific Results

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Author: Smerzi Augusto 

1) Heisenberg-Limited Noisy Atomic Clock Using a Hybrid Coherent and Squeezed State Protocol in PHYSICAL REVIEW LETTERS
By: Pezzè L., Smerzi A. Year: 2020 (Cit.: 1 DOI: 10.1103/PhysRevLett.125.210503)

2) Time Observables in a Timeless Universe in QUANTUM
By: Favalli T., Smerzi A. Year: 2020 (Cit.: 0)

3) Multiparameter squeezing for optimal quantum enhancements in sensor networks in NATURE COMMUNICATIONS
By: Gessner M., Smerzi A., Pezze L. Year: 2020 (Cit.: 8 DOI: 10.1038/s41467-020-17471-3)

4) Relating relative Renyi entropies and Wigner-Yanase-Dyson skew information to generalized multiple quantum coherences in PHYSICAL REVIEW A
By: Pires DP., Smerzi A., Macri T. Year: 2020 (Cit.: 2 DOI: 10.1103/PhysRevA.102.012429)

5) Measuring geometric phases with a dynamical quantum Zeno effect in a Bose-Einstein condensate in PHYSICAL REVIEW RESEARCH
By: Do H. V., Gessner M., Cataliotti F.S., Smerzi A. Year: 2019 (Cit.: 2 DOI: 10.1103/PhysRevResearch.1.033028)

6) Metrological Nonlinear Squeezing Parameter in PHYSICAL REVIEW LETTERS
By: Gessner M., Smerzi A., Pezzè L. Year: 2019 (Cit.: 12 DOI: 10.1103/PhysRevLett.122.090503)

7) Heralded Generation of Macroscopic Superposition States in a Spinor Bose-Einstein Condensate in PHYSICAL REVIEW LETTERS
By: Pezzè L., Gessner M., Feldmann P., Klempt C., Santos L., Smerzi A. Year: 2019 (Cit.: 2 DOI: 10.1103/PhysRevLett.123.260403)

8) Motional Fock states for quantum-enhanced amplitude and phase measurements with trapped ions in NATURE COMMUNICATIONS
By: Wolf Fabian; Shi Chunyan; Heip Jan C.; Gessner Manuel; Pezze Luca; Smerzi Augusto; Schulte Marius; Hammerer Klemens; Schmidt Piet O. Year: 2019 (Cit.: 15 DOI: 10.1038/s41467-019-10576-4)

9) Detection of Bell correlations at finite temperature from matter-wave interference fringes in PHYSICAL REVIEW A
By: Niezgoda A., Chwedenczuk J., Pezzè L., Smerzi A. Year: 2019 (Cit.: 1 DOI: 10.1103/PhysRevA.99.062115)

10) Encrypted quantum correlations: delayed choice of quantum statistics and other applications in EPJ QUANTUM TECHNOLOGY
By: Gessner M., Smerzi A. Year: 2019 (Cit.: 1 DOI: 10.1140/epjqt/s40507-019-0074-y)

11) Fast and optimal generation of entanglement in bosonic Josephson junctions in PHYSICAL REVIEW A
By: Sorelli G., Gessner M., Smerzi A., Pezzè L. Year: 2019 (Cit.: 9 DOI: 10.1103/PhysRevA.99.022329)

12) Sensitivity bounds for interferometry with Ising Hamiltonians in PHYSICAL REVIEW A
By: Li Y., Pezzè L., Li WD., Smerzi A. Year: 2019 (Cit.: 2 DOI: 10.1103/PhysRevA.99.022324)

13) Characterizing the multipartite continuous-variable entanglement structure from squeezing coefficients and the Fisher information in NPJ QUANTUM INFORMATION
By: Qin ZZ., Gessner M., Ren ZH., Deng XW., Han DM., Li WD., Su XL., Smerzi A., Peng KC. Year: 2019 (Cit.: 8 DOI: 10.1038/s41534-018-0119-6)

14) Multipartite Entanglement at Finite Temperature in SCIENTIFIC REPORTS
By: Gabbrielli M., Smerzi A., Pezzè L. Year: 2018 (Cit.: 22 DOI: 10.1038/s41598-018-31761-3)

15) Sensitivity Bounds for Multiparameter Quantum Metrology in PHYSICAL REVIEW LETTERS
By: Gessner M., Pezze L., Smerzi A. Year: 2018 (Cit.: 34 DOI: 10.1103/PhysRevLett.121.130503)

16) Quantum metrology with nonclassical states of atomic ensembles in REVIEWS OF MODERN PHYSICS
By: Pezze L., Smerzi A., Oberthaler M. K., Schmied R., Treutlein P. Year: 2018 (Cit.: 287 DOI: 10.1103/RevModPhys.90.035005)

17) Frequentist and Bayesian Quantum Phase Estimation in ENTROPY
By: Li Y., Pezze L., Gessner M., Ren ZH., Li WD., Smerzi A. Year: 2018 (Cit.: 5 DOI: 10.3390/e20090628)

18) Description of Bose-Einstein condensate of cold gas in interaction through virtual states of non-condensate atomic components in PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
By: Bazgan S., Pezze L., Smerzi A., Enaki N.A. Year: 2018 (Cit.: 1 DOI: 10.1016/j.physa.2018.02.184)

19) Phase magnification by two-axis countertwisting for detection-noise robust interferometry in PHYSICAL REVIEW A
By: Anders F., Pezzè L., Smerzi A., Klempt C. Year: 2018 (Cit.: 16 DOI: 10.1103/PhysRevA.97.043813)

20) Interferometric sensitivity and entanglement by scanning through quantum phase transitions in spinor Bose-Einstein condensates in PHYSICAL REVIEW A
By: Feldmann P., Gessner M., Gabbrielli M., Klempt C., Santos L., Pezzè L., Smerzi A. Year: 2018 (Cit.: 16 DOI: 10.1103/PhysRevA.97.032339)

21) Statistical speed of quantum states: Generalized quantum Fisher information and Schatten speed in PHYSICAL REVIEW LETTERS
By: Gessner M., Smerzi A. Year: 2018 (Cit.: 13 DOI: 10.1103/PhysRevA.97.022109)

22) Hyper- and hybrid nonlocality in PHYSICAL REVIEW LETTERS
By: Li YN., Gessner M., Li WD., Smerzi A. Year: 2018 (Cit.: 8 DOI: 10.1103/PhysRevLett.120.050404)

23) Role of Particle Entanglement in the Violation of Bell Inequalities in SCIENTIFIC REPORTS
By: Wasak T., Smerzi A., Chwedenczuk J. Year: 2018 (Cit.: 3 DOI: 10.1038/s41598-018-20034-8)

24) Phase transitions at high energy vindicate negative microcanonical temperature in PHYSICAL REVIEW E
By: Buonsante P., Franzosi R., Smerzi A. Year: 2017 (Cit.: 15 DOI: 10.1103/PhysRevE.95.052135)

25) Crossing Over from Attractive to Repulsive Interactions in a Tunneling Bosonic Josephson Junction in PHYSICAL REVIEW LETTERS
By: Spagnolli G., Semeghini G., Masi L., Ferioli G., Trenkwalder A., Coop S., Landini M., Pezzè L., Modugno G., Inguscio M., Smerzi A., Fattori M. Year: 2017 (Cit.: 37 DOI: 10.1103/PhysRevLett.118.230403)

26) Multipartite Entanglement in Topological Quantum Phases in PHYSICAL REVIEW LETTERS
By: Pezzè L., Gabbrielli M., Lepori L., Smerzi A. Year: 2017 (Cit.: 40 DOI: 10.1103/PhysRevLett.119.250401)

27) 0.75 atoms improve the clock signal of 10,000 atoms
By: Kruse I., Lange K., Peise J., Lucke B., Pezze L., Arlt J., Ertmer W., Lisdat C., Santos L., Smerzi A., Klempt C. Year: 2017 (Cit.: 0)

28) Optimal Measurements for Simultaneous Quantum Estimation of Multiple Phases in PHYSICAL REVIEW LETTERS
By: Pezzè L., Ciampini M., Spagnolo N., Humphreys PC., Datta A., Walmsley IA., Barbieri M., Sciarrino F., Smerzi A. Year: 2017 (Cit.: 66 DOI: 10.1103/PhysRevLett.119.130504)

29) Resolution-enhanced entanglement detection in PHYSICAL REVIEW A
By: Gessner M., Pezze L., Smerzi A. Year: 2017 (Cit.: 9 DOI: 10.1103/PhysRevA.95.032326)

30) Entanglement detection in a coupled atom-field system via quantum Fisher information in PHYSICAL REVIEW A
By: Mirkhalaf SS., Smerzi A. Year: 2017 (Cit.: 7 DOI: 10.1103/PhysRevA.95.022302)

31) Entanglement and squeezing in continuous-variable systems in QUANTUM
By: Gessner M., Pezzè L., Smerzi A. Year: 2017 (Cit.: 8 DOI: 10.22331/q-2017-07-14-17)

32) Witnessing entanglement without entanglement witness operators in PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
By: Pezzè L., Li Y., Li W., Smerzi A. Year: 2016 (Cit.: 25 DOI: 10.1073/pnas.1603346113)

33) Stochastic quantum Zeno by large deviation theory in NEW JOURNAL OF PHYSICS
By: Gherardini S., Gupta S., Cataliotti FS., Smerzi A., Caruso F., Ruffo S. Year: 2016 (Cit.: 21 DOI: 10.1088/1367-2630/18/1/013048)

34) Quantum phase transitions with parity-symmetry breaking and hysteresis in NATURE PHYSICS
By: Trenkwalder A., Spagnolli G., Semeghini G., Coop S., Landini M., Castilho P., Pezzè L., Modugno G., Inguscio M., Smerzi A., Fattori M. Year: 2016 (Cit.: 60 DOI: 10.1038/nphys3743)

35) On the dispute between Boltzmann and Gibbs entropy in ANNALS OF PHYSICS
By: Buonsante P., Franzosi R., Smerzi A. Year: 2016 (Cit.: 27 DOI: 10.1016/j.aop.2016.10.017)

36) Parity-symmetry breaking and topological phases in a superfluid ring in PHYSICAL REVIEW A
By: Zhang XR., Piazza F., Li WD., Smerzi A. Year: 2016 (Cit.: 1 DOI: 10.1103/PhysRevA.94.063601)

37) Fisher information from stochastic quantum measurements in PHYSICAL REVIEW A
By: Muller MM., Gherardini S., Smerzi A., Caruso F. Year: 2016 (Cit.: 10 DOI: 10.1103/PhysRevA.94.042322)

38) Improvement of an Atomic Clock using Squeezed Vacuum in PHYSICAL REVIEW LETTERS
By: Kruse I., Lange K., Peise J., Lucke B., Pezzè L., Arlt J., Ertmer W., Lisdat C., Santos L., Smerzi A., Klempt C.
Year: 2016 (Cit.: 55 DOI: 10.1103/PhysRevLett.117.143004)

39) Loschmidt echo for quantum metrology in PHYSICAL REVIEW A
By: Macri t., Smerzi A., Pezze L. Year: 2016 (Cit.: 56 DOI: 10.1103/PhysRevA.94.010102)

40) Quantum-enhanced multiparameter estimation in multiarm interferometers in SCIENTIFIC REPORTS
By: Ciampini MA., Spagnolo N., Vitelli C., Pezze L., Smerzi A., Sciarrino F. Year: 2016 (Cit.: 55 DOI: 10.1038/srep28881)

41) Optimal measurements in phase estimation: simple examples in QUANTUM INFORMATION PROCESSING
By: Wasak T., Smerzi A., Pezzè L., Chwedenczuk J. Year: 2016 (Cit.: 7 DOI: 10.1007/s11128-016-1248-5)

42) Nonlocality with ultracold atoms in a lattice in PHYSICAL REVIEW A
By: Pelisson S., Pezzè L., Smerzi A. Year: 2016 (Cit.: 0 DOI: 10.1103/PhysRevA.93.022115)

43) Satisfying the Einstein-Podolsky-Rosen criterion with massive particles
By: Peise J., Kruse I., Lange K., Lucke B., Pezzè L., Arlt J., Ertmer W., Hammerer K., Santos L., Smerzi A., Klempt C. Year: 2016 (Cit.: 0)

44) Interacting bosons in a disordered lattice: Dynamical characterization of the quantum phase diagram in PHYSICAL REVIEW A
By: Buonsante P., Pezzè L., Smerzi A. Year: 2015 (Cit.: 5 DOI: 10.1103/PhysRevA.91.031601)

45) Pushing a Fermi superfluid through a thin optical barrier:
from coherent tunneling to phase slips

By: Burchianti A.,Valtolina G.,Neri E., Xhani K., Trombettoni A., Smerzi A.,
Inguscio M., Zaccanti M.,Roati G. Year: 2015 (Cit.: 0)

46) Josephson effect in fermionic superfluids across the BEC-BCS crossover in SCIENCE
By: Valtolina G., Burchianti A., Amico A., Neri E., Xhani K., Seman J. A., Trombettoni A., Smerzi A., Zaccanti M., Inguscio M., Roati G. Year: 2015 (Cit.: 84 DOI: 10.1126/science.aac9725)

47) Instability of the Superfluid Flow as Black-Hole Lasing Effect in PHYSICAL REVIEW LETTERS
By: Finazzi S., Piazza F., Abad M., Smerzi A., Recati A. Year: 2015 (Cit.: 12 DOI: 10.1103/PhysRevLett.114.245301)

48) Satisfying the Einstein-Podolsky-Rosen criterion with massive particles in NATURE COMMUNICATIONS
By: Peise J., Kruse I., Lange K., Lucke B., Pezze L., Arlt J., Ertmer W., Hammerer K., Santos L., Smerzi A., Klempt C. Year: 2015 (Cit.: 50 DOI: 10.1038/ncomms9984)

49) Spin-Mixing Interferometry with Bose-Einstein Condensates in PHYSICAL REVIEW LETTERS
By: Gabbrielli M., Pezzè L., Smerzi A. Year: 2015 (Cit.: 50 DOI: 10.1103/PhysRevLett.115.163002)

50) Interaction-free measurements by quantum Zeno stabilization of ultracold atoms in NATURE COMMUNICATIONS
By: Lucke B., Pezze L., Deuretzbacher F., Ertmer W., Arlt J., Smerzi A., Santos L., Klempt C.
Year: 2015 (Cit.: 25 DOI: 10.1038/ncomms7811)

51) Phase-sensitivity bounds for two-mode interferometers in PHYSICAL REVIEW A
By: Pezze L., Hyllus P., Smerzi A. Year: 2015 (Cit.: 26 DOI: 10.1103/PhysRevA.91.032103)

52) Phase slips and vortex dynamics in Josephson oscillations between Bose-Einstein condensates in EPL
By: Abad M., Guilleumas M., Mayol R., Piazza F., Jezek DM., Smerzi A. Year: 2015 (Cit.: 14 DOI: 10.1209/0295-5075/109/40005)

53) Fisher information and entanglement of non-Gaussian spin states in SCIENCE
By: Strobel H., Muessel W., Linnemann D., Zibold T., Hume D.B., Pezzè L., Smerzi A., Oberthaler M.K. Year: 2014 (Cit.: 210 DOI: 10.1126/science.1250147)

54) Multimode Kapitza-Dirac Interferometry with Trapped Cold Atoms in PHYSICAL REVIEW LETTERS
By: Li W.D., He, T.C., Smerzi A. Year: 2014 (Cit.: 19 DOI: 10.1103/PhysRevLett.113.023003)

55) Experimental realization of quantum zeno dynamics in NATURE COMMUNICATIONS
By: Schafer F., Herrera I., Cherukattil S., Lovecchio C., Cataliotti F.S., Caruso F., Smerzi .A Year: 2014 (Cit.: 90 DOI: 10.1038/ncomms4194)

56) Phase-noise protection in quantum-enhanced differential interferometry in NEW JOURNAL OF PHYSICS
By: Landini M., Fattori M., Pezzè L., Smerzi A. Year: 2014 (Cit.: 10 DOI: 10.1088/1367-2630/16/11/113074)

57) Dynamic phase diagram for the quantum phase model in PHYSICAL REVIEW A
By: Buonsante P., Orefice L., Smerzi A. Year: 2013 (Cit.: 3 DOI: 10.1103/PhysRevA.87.063620)

58) Critical velocity for a toroidal Bose-Einstein condensate flowing through a barrier in JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
By: Piazza, F., Collins L.A., Smerzi A. Year: 2013 (Cit.: 28 DOI: 10.1088/0953-4075/46/9/095302)

59) Ultrasensitive Two-Mode Interferometry with Single-Mode Number Squeezing in PHYSICAL REVIEW LETTERS
By: Pezze L., Smerzi A. Year: 2013 (Cit.: 72 DOI: 10.1103/PhysRevLett.110.163604)

60) Multipath interferometer with ultracold atoms trapped in an optical lattice in PHYSICAL REVIEW A
By: Chwedenczuk J., Piazza F., Smerzi A. Year: 2013 (Cit.: 12 DOI: 10.1103/PhysRevA.87.033607)

61) Zeno dynamics, indistinguishability of state, and entanglement in PHYSICAL REVIEW LETTERS
By: Smerzi A. Year: 2012 (Cit.: 38 DOI: 10.1103/PhysRevLett.109.150410)

62) Sub-shot-noise interferometry from measurements of the one-body density in NEW JOURNAL OF PHYSICS
By: Chwedenczuk J., Hyllus P., Piazza F., Smerzi A. Year: 2012 (Cit.: 17 DOI: 10.1088/1367-2630/14/9/093001)

63) Entanglement and extreme spin squeezing for a fluctuating number of indistinguishable particles in PHYSICAL REVIEW A
By: Hyllus P., Pezzé L., Smerzi A., Tóth G. Year: 2012 (Cit.: 34 DOI: 10.1103/PhysRevA.86.012337)

64) Fisher information and multiparticle entanglement in PHYSICAL REVIEW A
By: Hyllus P., Laskowski W., Krischek R., Schwemmer C., Wieczorek W., Weinfurter H., Pezze L., Smerzi A. Year: 2012 (Cit.: 232 DOI: 10.1103/PhysRevA.85.022321)

65) Born Rule and Noncontextual Probability
By: Logiurato F., Smerzi A. Year: 2012 (Cit.: 0 DOI: 10.4236/jmp.2012.311225)

66) Dynamics of a Tunable Superfluid Junction in PHYSICAL REVIEW LETTERS
By: LeBlanc L.J., Bardon A.B., McKeever J., Extavour M.H.T., Jervis D., Thywissen J.H., Piazza F., Smerzi A. Year: 2011 (Cit.: 97 DOI: 10.1103/PhysRevLett.106.025302)

67) Instability and vortex ring dynamics in a three-dimensional superfluid flow through a constriction in NEW JOURNAL OF PHYSICS
By: Piazza F., Collins LA., Smerzi A. Year: 2011 (Cit.: 17 DOI: 10.1088/1367-2630/13/4/043008)

68) Twin Matter Waves for Interferometry Beyond the Classical Limit in SCIENCE
By: Luecke B., Scherer M., Kruse J., Pezze L., Deuretzbacher F., Hyllus P., Topic O., Peise J., Ertmer W., Arlt J., Santos L., Smerzi A., Klempt C. Year: 2011 (Cit.: 258 DOI: 10.1126/science.1208798)

69) Useful multiparticle entanglement and sub-shot-noise sensitivity in experimental phase estimation in PHYSICAL REVIEW LETTERS
By: Krischek R., Schwemmer C., Wieczorek W., Weinfurter H., Hyllus P., Pezze L., Smerzi A. Year: 2011 (Cit.: 73 DOI: 10.1103/PhysRevLett.107.080504)

70) Mach-Zehnder interferometry with interacting trapped Bose-Einstein condensates in PHYSICAL REVIEW A
By: Grond J., Hohenester U., Schmiedmayer J., Smerzi A. Year: 2011 (Cit.: 27 DOI: 10.1103/PhysRevA.84.023619)

71) Phase estimation from atom position measurements in NEW JOURNAL OF PHYSICS
By: Chwedenczuk J., Piazza F., Smerzi A. Year: 2011 (Cit.: 10 DOI: 10.1088/1367-2630/13/6/065023)

72) Phase estimation with interfering Bose-Einstein-condensed atomic clouds in PHYSICAL REVIEW A
By: Chwedeńczuk J., Piazza F., Smerzi A. Year: 2010 (Cit.: 8 DOI: 10.1103/PhysRevA.82.051601)

73) Entanglement and Sensitivity in Precision Measurements with States of a Fluctuating Number of Particles in PHYSICAL REVIEW LETTERS
By: Hyllus P., Pezzé L., Smerzi A. Year: 2010 (Cit.: 73 DOI: 10.1103/PhysRevLett.105.120501)

74) Rabi interferometry and sensitive measurement of the Casimir-Polder force with ultracold gases in PHYSICAL REVIEW A
By: Chwedeńczuk J., Pezzé L., Piazza F., Smerzi A. Year: 2010 (Cit.: 14 DOI: 10.1103/PhysRevA.82.032104)

75) Not all pure entangled states are useful for sub-shot-noise interferometry in PHYSICAL REVIEW A
By: Hyllus P., Gühne O., Smerzi A. Year: 2010 (Cit.: 82 DOI: 10.1103/PhysRevA.82.012337)

76) Current-phase relation of a Bose-Einstein condensate flowing through a weak link in PHYSICAL REVIEW A
By: Piazza F., Collins L.A., Smerzi A. Year: 2010 (Cit.: 18 DOI: 10.1103/PhysRevA.81.033613)

77) Vortex-induced phase-slip dissipation in a toroidal Bose-Einstein condensate flowing through a barrier in PHYSICAL REVIEW A
By: Piazza F., Collins L.A., Smerzi A. Year: 2009 (Cit.: 43 DOI: 10.1103/PhysRevA.80.021601)

78) Entanglement, Nonlinear Dynamics, and the Heisenberg Limit in PHYSICAL REVIEW LETTERS
By: Pezzé L., Smerzi A. Year: 2009 (Cit.: 468 DOI: 10.1103/PhysRevLett.102.100401)

79) Macroscopic superpositions of phase states with Bose-Einstein condensates in PHYSICAL REVIEW A
By: Piazza F., Pezzé L., Smerzi A. Year: 2008 (Cit.: 32 DOI: 10.1103/PhysRevA.78.051601)

80) Mach-Zehnder interferometry at the heisenberg limit with coherent and squeezed-vacuum light in PHYSICAL REVIEW LETTERS
By: Pezzé L., Smerzi A. Year: 2008 (Cit.: 187 DOI: 10.1103/PhysRevLett.100.073601)

81) Phase detection at the quantum limit with multiphoton Mach-Zehnder interferometry in PHYSICAL REVIEW LETTERS
By: Pezzé L., Smerzi A., Khoury G., Hodelin J.F., Bouwmeester D. Year: 2007 (Cit.: 76 DOI: 10.1103/PhysRevLett.99.223602)

82) Sub shot-noise interferometric phase sensitivity with beryllium ions Schrodinger cat states in EPL
By: Pezzé L., Smerzi A. Year: 2007 (Cit.: 23 DOI: 10.1209/0295-5075/78/30004)

83) Bogoliubov-Cerenkov radiation in a Bose-Einstein condensate flowing against an obstacle in PHYSICAL REVIEW LETTERS
By: Carusotto I., Hu S.X., Collins L.A., Smerzi A. Year: 2006 (Cit.: 103 DOI: 10.1103/PhysRevLett.97.260403)

84) Macroscopic oscillations between two weakly coupled Bose-Einstein condensates in EUROPEAN PHYSICAL JOURNAL B
By: Smerzi A., Tombettoni A., Lopez-Arias T., Fort C., Maddaloni P., Minardi F., Inguscio M. Year: 2003 (Cit.: 19 DOI: 10.1140/epjb/e2003-00055-1)

85) Josephson junction arrays with Bose-Einstein condensates in SCIENCE
By: Cataliotti F. S., Burger S., Fort C., Maddaloni P., Minardi F., Trombettoni A., Smerzi A., Inguscio M. Year: 2001 (Cit.: 715 DOI: 10.1126/science.1062612)