Strong Quantum Mpemba Effect with Squeezed Thermal Reservoirs
- URL: http://arxiv.org/abs/2411.04545v1
- Date: Thu, 07 Nov 2024 09:02:34 GMT
- Title: Strong Quantum Mpemba Effect with Squeezed Thermal Reservoirs
- Authors: J. Furtado, Alan C. Santos,
- Abstract summary: The Quantum Mpemba Effect (QMpE) is where a quantum system can be exponentially accelerated to its stationary state.
We show that QMpE can be effectively induced when our conditions are met.
- Score: 0.0
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: The phenomena where a quantum system can be exponentially accelerated to its stationary state has been refereed to as Quantum Mpemba Effect (QMpE). Due to its analogy with the classical Mpemba effect, hot water freezes faster than cold water, this phenomena has garnered significant attention. Although QMpE has been characterized and experimentally verified in different scenarios, sufficient and necessary conditions to achieve such a phenomenon are still under investigation. In this paper we address a sufficient condition for QMpE through a general approach for open quantum systems dynamics. With help of the Mpemba parameter introduced in this work to quantify how strong the QMpE can be, we discuss how our conditions can predict and explain the emergence of weak and strong QMpE in a robust way. As application, by harnessing intrinsic non-classical nature of squeezed thermal environments, we show how strong QMpE can be effectively induced when our conditions are met. Due to the thermal nature of environment considered in our model, our work demonstrates that a hot qubit freezes faster than a cold qubit only in presence of squeezed reservoirs. Our results provide tools and new insights opening a broad avenue for further investigation at most fundamental levels of this peculiar phenomena in the quantum realm.
Related papers
- Dynamical Casimir effect in superconducting cavities: from photon generation to universal quantum gates [49.1574468325115]
Chapter explores various aspects of the Dynamical Casimir Effect (DCE) and its implications in the context of circuit quantum electrodynamics (cQED)
arXiv Detail & Related papers (2025-04-15T16:28:00Z) - Thermodynamic limits of the Mpemba effect: A unified resource theory analysis [0.0]
Mpemba effect is a counterintuitive thermodynamic phenomenon in which a hotter system cools more rapidly than a colder one.
We investigate the role of classical and quantum correlations in driving anomalous relaxation behaviors.
arXiv Detail & Related papers (2025-01-31T19:16:30Z) - Maximal Steered Coherence in Accelerating Unruh-DeWitt Detectors [8.763426270674227]
We investigate the influence of Unruh temperature and energy levels on the evolution of maximal steered coherence (MSC)
MSC is strongly dependent on Unruh temperature, exhibiting behaviors ranging from monotonic decline to non-monotonic recovery, depending on the initial state parameter.
These findings offer valuable insights into the intricate relationship between relativistic effects and quantum coherence, with potential applications in developing robust quantum technologies for non-inertial environments.
arXiv Detail & Related papers (2024-11-28T16:43:26Z) - Imaginary-time Mpemba effect in quantum many-body systems [2.54990557236581]
We report a novel phenomenon of the Mpemba effect in the imaginary-time relaxation dynamics in quantum many-body systems.
The emergence of ITME is intimately associated with the low-energy excitations in quantum many-body systems.
arXiv Detail & Related papers (2024-09-10T14:23:13Z) - Thermalization and Criticality on an Analog-Digital Quantum Simulator [133.58336306417294]
We present a quantum simulator comprising 69 superconducting qubits which supports both universal quantum gates and high-fidelity analog evolution.
We observe signatures of the classical Kosterlitz-Thouless phase transition, as well as strong deviations from Kibble-Zurek scaling predictions.
We digitally prepare the system in pairwise-entangled dimer states and image the transport of energy and vorticity during thermalization.
arXiv Detail & Related papers (2024-05-27T17:40:39Z) - Observation of quantum strong Mpemba effect [11.375210055373365]
We report the first experiment, as far as we know,about the strong Mpemba effect in a single trapped ion system.
Our work provides an efficient strategy to exponentially accelerate relaxations of quantum system to their stationary state.
It could open up the door to engineer a wide range of dissipative quantum systems.
arXiv Detail & Related papers (2024-01-29T08:25:34Z) - Study on quantum thermalization from thermal initial states in a superconducting quantum computer [0.0]
We propose a method to address the problem of preparing thermal states in quantum physics.
We experimentally validate our approach using IBM quantum devices, providing results for unusal relaxation in quenches as predicted for the IBM qubit.
This demonstration underscores that our method can streamline the investigation of thermal states and thermalization in quantum physics.
arXiv Detail & Related papers (2024-01-16T09:01:01Z) - Quantum data learning for quantum simulations in high-energy physics [55.41644538483948]
We explore the applicability of quantum-data learning to practical problems in high-energy physics.
We make use of ansatz based on quantum convolutional neural networks and numerically show that it is capable of recognizing quantum phases of ground states.
The observation of non-trivial learning properties demonstrated in these benchmarks will motivate further exploration of the quantum-data learning architecture in high-energy physics.
arXiv Detail & Related papers (2023-06-29T18:00:01Z) - 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) - Thermodynamics and Fluctuations in Quantum Heat Engines under Reservoir
Squeezing [7.109424824240926]
We show that reservoir squeezing significantly enhances the performance by increasing the thermodynamic efficiency and the power.
An experimental scheme for realizing this quantum heat engine is proposed using a single-electron spin pertaining to a trapped 40Ca$+$ ion.
arXiv Detail & Related papers (2022-09-13T11:15:31Z) - Demonstrating Quantum Microscopic Reversibility Using Coherent States of
Light [58.8645797643406]
We propose and experimentally test a quantum generalization of the microscopic reversibility when a quantum system interacts with a heat bath.
We verify that the quantum modification for the principle of microscopic reversibility is critical in the low-temperature limit.
arXiv Detail & Related papers (2022-05-26T00:25:29Z) - Light-shift induced behaviors observed in momentum-space quantum walks [47.187609203210705]
We present a theoretical model which proves that the coherent dynamics of the spinor condensate is sufficient to explain the experimental data.
Our numerical findings are supported by an analytical prediction for the momentum distributions in the limit of zero-temperature condensates.
arXiv Detail & Related papers (2022-05-16T14:50:05Z) - Taking the temperature of a pure quantum state [55.41644538483948]
Temperature is a deceptively simple concept that still raises deep questions at the forefront of quantum physics research.
We propose a scheme to measure the temperature of such pure states through quantum interference.
arXiv Detail & Related papers (2021-03-30T18:18:37Z) - Comparing relaxation mechanisms in quantum and classical
transverse-field annealing [0.0]
We show it is possible to more directly probe the dissipative dynamics of the system at intermediate points along the anneal.
We also explore in simulation the role of temperature whilst pausing as a means to better distinguish quantum and classical models of quantum annealers.
arXiv Detail & Related papers (2020-09-10T15:21:34Z)
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.