Quantum thermodynamic advantage in work extraction from steerable quantum correlations

• URL: http://arxiv.org/abs/2502.15045v1
• Date: Thu, 20 Feb 2025 21:00:29 GMT
• Title: Quantum thermodynamic advantage in work extraction from steerable quantum correlations
• Authors: Tanmoy Biswas, Chandan Datta, Luis Pedro García-Pintos,
• Abstract summary: We design a work extraction game within a bipartite framework that exhibits a quantum thermodynamic advantage.<n>We exploit the correspondence between steerability and the incompatibility of observables.<n>The ratio between the extractable work in steerable and unsteerable scenarios, which encapsulates the quantum advantage, increases with the dimension of the underlying system.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Inspired by the primary goal of quantum thermodynamics -- to characterize quantum signatures and leverage their benefits in thermodynamic scenarios -- , we design a work extraction game within a bipartite framework that exhibits a quantum thermodynamic advantage. The steerability of quantum correlations between the two parties is the key resource enabling such an advantage. In designing the game, we exploit the correspondence between steerability and the incompatibility of observables. Our work extraction protocol involves mutually unbiased bases, which exhibit maximum incompatibility and therefore maximum steerability, showcased in maximally entangled quantum states. We derive upper bounds on the extractable work for unsteerable and steerable correlations and devise a protocol that saturates the latter. The ratio between the extractable work in steerable and unsteerable scenarios, which encapsulates the quantum advantage, increases with the dimension of the underlying system (sometimes referred to as an unbounded advantage). This proves a quantum thermodynamic advantage arising from steerable quantum correlations.

Related papers

• A decision-theoretic approach to dealing with uncertainty in quantum mechanics [42.166654559515244]
  We provide a decision-theoretic framework for dealing with uncertainty in quantum mechanics. We show that measurements play the role of acts with an uncertain outcome. We discuss the mathematical implications of our findings.
  arXiv  Detail & Related papers  (2025-03-26T14:53:06Z)
• Expressibility, entangling power and quantum average causal effect for causally indefinite circuits [37.69303106863453]
  We implement parameterized quantum circuits with definite and indefinite causal order. One of these is the expressibility, which measures how uniformly a given quantum circuit can reach the whole Hilbert space. We find a correlation between the quantum average causal effect and the entangling power.
  arXiv  Detail & Related papers  (2024-11-13T13:53:02Z)
• Variational-quantum-eigensolver-inspired optimization for spin-chain work extraction [39.58317527488534]
  Energy extraction from quantum sources is a key task to develop new quantum devices such as quantum batteries. One of the main issues to fully extract energy from the quantum source is the assumption that any unitary operation can be done on the system. We propose an approach to optimize the extractable energy inspired by the variational quantum eigensolver (VQE) algorithm.
  arXiv  Detail & Related papers  (2023-10-11T15:59:54Z)
• Quantum non-Markovianity, quantum coherence and extractable work in a general quantum process [0.0]
  Key concept in quantum thermodynamics is extractable work, which specifies the maximum amount of work that can be extracted from a quantum system. Different quantities are used to measure extractable work, the most prevalent of which are ergotropy and the difference between the non-equilibrium and equilibrium quantum free energy. We investigate the evolution of extractable work when an open quantum system goes through a general quantum process described by a completely-positive and trace-preserving dynamical map.
  arXiv  Detail & Related papers  (2023-09-10T11:05:35Z)
• Nonequilibrium thermodynamics of quantum coherence beyond linear response [0.0]
  We develop a generic dynamic-Bayesian-network approach to the far-from-equilibrium thermodynamics of coherence. We obtain criteria for successful coherence-to-work conversion, and identify a nonequilibrium regime where maximum work extraction is increased by quantum coherence.
  arXiv  Detail & Related papers  (2023-01-31T10:24:15Z)
• Universality of critical dynamics with finite entanglement [68.8204255655161]
  We study how low-energy dynamics of quantum systems near criticality are modified by finite entanglement. Our result establishes the precise role played by entanglement in time-dependent critical phenomena.
  arXiv  Detail & Related papers  (2023-01-23T19:23:54Z)
• Interactive Protocols for Classically-Verifiable Quantum Advantage [46.093185827838035]
  "Interactions" between a prover and a verifier can bridge the gap between verifiability and implementation. We demonstrate the first implementation of an interactive quantum advantage protocol, using an ion trap quantum computer.
  arXiv  Detail & Related papers  (2021-12-09T19:00:00Z)
• Extracting work from correlated many-body quantum systems [2.0305676256390934]
  The presence of correlations in the input state of a non-interacting many-body quantum system can lead to an increase in the amount of work we can extract from it under global unitary processes. We observe that in the thermodynamic limit of large number of sites, complete work extraction can be attained for relatively small correlation strength.
  arXiv  Detail & Related papers  (2021-10-12T18:00:00Z)
• Experimental violations of Leggett-Garg's inequalities on a quantum computer [77.34726150561087]
  We experimentally observe the violations of Leggett-Garg-Bell's inequalities on single and multi-qubit systems. Our analysis highlights the limits of nowadays quantum platforms, showing that the above-mentioned correlation functions deviate from theoretical prediction as the number of qubits and the depth of the circuit grow.
  arXiv  Detail & Related papers  (2021-09-06T14:35:15Z)
• Quantum Causal Inference in the Presence of Hidden Common Causes: an Entropic Approach [34.77250498401055]
  We put forth a new theoretical framework for merging quantum information science and causal inference by exploiting entropic principles. We apply our proposed framework to an experimentally relevant scenario of identifying message senders on quantum noisy links. This approach can lay the foundations of identifying originators of malicious activity on future multi-node quantum networks.
  arXiv  Detail & Related papers  (2021-04-24T22:45:50Z)
• Ergotropy from quantum and classical correlations [0.0]
  We show that the ergotropy can be expressed as a function of the quantum mutual information. We analyze bipartite quantum systems with locally thermal states.
  arXiv  Detail & Related papers  (2021-02-26T17:23:58Z)
• The tight Second Law inequality for coherent quantum systems and finite-size heat baths [0.0]
  We propose a new form of the Second Law inequality that defines a tight bound for extractable work from the non-equilibrium quantum state. In particular, we derive a formula for the locked energy in coherences, i.e. a quantum contribution that cannot be extracted as a work, and we find out its thermodynamic limit.
  arXiv  Detail & Related papers  (2020-08-12T12:54:40Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.