Experimental study of the generalized Jarzynski fluctuation relation using entangled photons

Ribeiro, P. H. Souto; Häffner, Thomas; Zanin, G. L.; Silva, Nara Rubiano da; Araújo, R. Medeiros de; Soares, W. C.; Assis, Rogério J. de; Céleri, Lucas C.; Forbes, Andrew

doi:10.1103/physreva.101.052113

Cited by 19 publications

(11 citation statements)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This leads us to believe that the WTPM scheme could be implemented in most experimental platforms where the energy variation statistics has already been measured with a TPM scheme. A non-exhaustive list for the latter includes NV centers in diamond [99,100], single ions [101][102][103], superconducting qubits [104], and entangled photon pairs [105,106]. For an experimental implementation of the WTPM scheme in a three-level system with NV centers, we refer the reader to a companion paper [107] where the MHQ Re q if is reconstructed.…”

Section: Scheme 3 (Final Measurement Only)mentioning

confidence: 99%

Kirkwood-Dirac quasiprobability approach to quantum fluctuations: Theoretical and experimental perspectives

Lostaglio¹,

Belenchia²,

Levy³

et al. 2022

Preprint

View full text Add to dashboard Cite

Recent work has revealed the central role played by the Kirkwood-Dirac quasiprobability (KDQ) as a tool to encapsulate non-classical features in the context of condensed matter physics (scrambling, dynamical phase transitions) metrology (standard and post-selected), thermodynamics (power output and fluctuation theorems), foundations (contextuality, anomalous weak values) and more. Given the growing relevance of the KDQ across the quantum sciences, the aim of this work is twofold: first, we clarify the role played by quasiprobabilities in characterising dynamical fluctuations in the presence of measurement incompatibility, and highlight how the KDQ naturally underpins and unifies quantum correlators, quantum currents, Loschmidt echoes and weak values; second, we discuss several schemes to access the KDQ and its non-classicality features, and assess their experimental feasibility in NMR and solid-state platforms. Finally, we analyze the possibility of a 'thermodynamics with quasiprobabilities' in the light of recent no-go theorems limiting traditional treatments.

show abstract

Section: Scheme 3 (Final Measurement Only)mentioning

confidence: 99%

Kirkwood-Dirac quasiprobability approach to quantum fluctuations: Theoretical and experimental perspectives

Lostaglio¹,

Belenchia²,

Levy³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…This protocol has been considered both theoretically [15,16,25] and experimentally [26][27][28][29][30][31][32] in distinct contexts within quantum thermodynamics. The probability distribution p m,n associated with the work is a central quantity in the discussed scheme.…”

Section: Statistical Workmentioning

confidence: 99%

Gauge invariant quantum thermodynamics: consequences for the first law

Céleri¹,

Rudnicki²

2021

Preprint

View full text Add to dashboard Cite

“…Experimental investigations of quantum fluctuation relations have been recently conducted on different platforms, including single trapped ions [34,35], NMR systems [36,37], atom chip [38], superconducting qubits [39], Nitrogen-Vacancy (NV) centers in diamond [40], and entangled photon pairs [41]. These studies cover closed system dynamics [34-36, 38, 39], and certain open dy-FIG.…”

Section: Introductionmentioning

confidence: 99%

Autonomous dissipative Maxwell's demon in a diamond spin qutrit

Hernández-Gómez,

Gherardini,

Staudenmaier

et al. 2021

Preprint

View full text Add to dashboard Cite

Engineered dynamical maps that combine not only coherent, but also unital and dissipative transformations of quantum states, have demonstrated a number of technological applications, and promise to be a beneficial tool also in quantum thermodynamic processes. Here, we exploit control of a spin qutrit to investigate energy exchange fluctuations of an open quantum system. The qutrit engineer dynamics can be understood as an autonomous feedback process, where random measurement events condition the subsequent dissipative evolution. To analyze this dynamical process, we introduce a generalization of the Sagawa-Ueda-Tasaki relation for dissipative dynamics and verify it experimentally. Not only we characterize the efficacy of the autonomous feedback protocol, but also find that the characteristic function of energy variations G(η) becomes insensitive to the process details at a single specific value of its argument. This allows us to demonstrate that a fluctuation theorem of the Jarzynski type holds for this general dissipative feedback dynamics, while previous relations were limited to unital dynamics. Moreover, in addition to the feedback efficacy, we find a witness of unitality associated with the fixed point of the dynamics.

show abstract

Experimental study of the generalized Jarzynski fluctuation relation using entangled photons

Cited by 19 publications

References 21 publications

Kirkwood-Dirac quasiprobability approach to quantum fluctuations: Theoretical and experimental perspectives

Kirkwood-Dirac quasiprobability approach to quantum fluctuations: Theoretical and experimental perspectives

Gauge invariant quantum thermodynamics: consequences for the first law

Autonomous dissipative Maxwell's demon in a diamond spin qutrit

Contact Info

Product

Resources

About