Relative entropy formulation of thermalization process in a Schwarzschild spacetime by Si-Wei Han, Zhichun Ouyang, Zhiyao Hu, Jun Feng

“…We derive the late-time dynamics of the detector in the context of open quantum system, and capture the path distinguishability and thermodynamic irreversibility of detector thermalization process by using quantum relative entropy (QRE). …”
Get full text

Maximizing Free Energy Gain by Artemy Kolchinsky, Iman Marvian, Can Gokler, Zi-Wen Liu, Peter Shor, Oles Shtanko, Kevin Thompson, David Wolpert, Seth Lloyd

“…Here, we consider the maximization of free energy—and by extension, the maximum extractable work—that can be gained by a classical or quantum system that undergoes driving by its environment. …”
Get full text

Snapshotting quantum dynamics at multiple time points by Pengfei Wang, Hyukjoon Kwon, Chun-Yang Luan, Wentao Chen, Mu Qiao, Zinan Zhou, Kaizhao Wang, M. S. Kim, Kihwan Kim

“…We propose a method to extract dynamic information from a quantum system at intermediate time points, namely snapshotting quantum dynamics. …”
Get full text

Limitations to Dynamical Error Suppression and Gate-Error Virtualization from Temporally Correlated Nonclassical Noise by Michiel Burgelman, Nattaphong Wonglakhon, Diego N. Bernal-García, Gerardo A. Paz-Silva, Lorenza Viola

“…By working within an open-quantum system Hamiltonian formulation, we revisit the validity of the notion of a constant gate error in the presence of noise that is both temporally correlated and nonclassical, and the impact of which is mitigated through perfect instantaneous dynamical decoupling subject to finite timing constraints. …”
Get full text

Trellis Decoding for Qudit Stabilizer Codes and Its Application to Qubit Topological Codes by Eric Sabo, Arun B. Aloshious, Kenneth R. Brown

“…The resulting formalism is valid for any prime-dimensional quantum system. The modified decoder works for any stabilizer code <inline-formula><tex-math notation="LaTeX">$S$</tex-math></inline-formula> and separates into two parts: 1) a one-time offline computation that builds a compact graphical representation of the normalizer of the code, <inline-formula><tex-math notation="LaTeX">$\mathcal {S}^{\perp}$</tex-math></inline-formula> and 2) a quick, parallel, online query of the resulting vertices using the Viterbi algorithm. …”
Get full text

Fluorescence-Based Rapid Detection of Microbiological Contaminants in Water Samples by Hervé Meder, Anne Baumstummler, Renaud Chollet, Sophie Barrier, Monika Kukuczka, Frédéric Olivieri, Esther Welterlin, Vincent Beguin, Sébastien Ribault

“…The Milliflex Quantum method was demonstrated to be reliable, robust, specific, accurate, and linear over the whole range of assays following these guidelines. The Milliflex Quantum system was challenged to detect natural contaminants in different types of pharmaceutical purified process waters. …”
Get full text

Verification of a resetting protocol for an uncontrolled superconducting qubit by Ming Gong, Feihu Xu, Zheng-Da Li, Zizhu Wang, Yu-Zhe Zhang, Yulin Wu, Shaowei Li, Youwei Zhao, Shiyu Wang, Chen Zha, Hui Deng, Zhiguang Yan, Hao Rong, Futian Liang, Jin Lin, Yu Xu, Cheng Guo, Lihua Sun, Juno Clark, Cheng-Zhi Peng, Yu-Ao Chen, Xiaobo Zhu, Jian-Wei Pan

“…Abstract Quantum resetting protocols allow a quantum system to be sent to a state in the past by making it interact with quantum probes when neither the free evolution of the system nor the interaction is controlled. …”
Get full text

NV center creation in diamond by local CW laser irradiation of shallow implanted nitrogen by Alexius Enke, Nicole Raatz, Jan Meijer, Ralf Wunderlich

Get full text

Verifiable measurement-based quantum random sampling with trapped ions by Martin Ringbauer, Marcel Hinsche, Thomas Feldker, Paul K. Faehrmann, Juani Bermejo-Vega, Claire L. Edmunds, Lukas Postler, Roman Stricker, Christian D. Marciniak, Michael Meth, Ivan Pogorelov, Rainer Blatt, Philipp Schindler, Jens Eisert, Thomas Monz, Dominik Hangleiter

Get full text

Solving Quantum Dynamics with a Lie-Algebra Decoupling Method by Sofia Qvarfort, Igor Pikovski

“…Quantum technologies rely on the control of quantum systems at the level of individual quanta. Mathematically, this control is described by Hamiltonian or Liouvillian evolution, requiring the application of various techniques to solve the resulting dynamic equations. …”
Get full text

Simulating quantum circuits using the multi-scale entanglement renormalization ansatz by A. V. Berezutskii, I. A. Luchnikov, A. K. Fedorov

“…Understanding the limiting capabilities of classical methods in simulating complex quantum systems is of paramount importance for quantum technologies. …”
Get full text

Dissipative Landau-Zener tunneling in the crossover regime from weak to strong environment coupling by X. Dai, R. Trappen, H. Chen, D. Melanson, M. A. Yurtalan, D. M. Tennant, A. J. Martinez, Y. Tang, E. Mozgunov, J. Gibson, J. A. Grover, S. M. Disseler, J. I. Basham, S. Novikov, R. Das, A. J. Melville, B. M. Niedzielski, C. F. Hirjibehedin, K. Serniak, S. J. Weber, J. L. Yoder, W. D. Oliver, K. M. Zick, D. A. Lidar, A. Lupascu

“…Abstract Landau-Zener tunneling, which describes the transition in a two-level system during a sweep through an anti-crossing, is a model applicable to a wide range of physical phenomena. Realistic quantum systems are affected by dissipation due to coupling to their environments. …”
Get full text

Efficient Hamiltonian encoding algorithms for extracting quantum control mechanism as interfering pathway amplitudes in the Dyson series by Erez Abrams, Michael Kasprzak, Gaurav Bhole, Tak-San Ho, Herschel Rabitz

“…Hamiltonian encoding is a methodology for revealing the mechanism behind the dynamics governing controlled quantum systems. In this paper, following Mitra and Rabitz \cite{abhra_1}, we define mechanism via pathways of eigenstates that describe the evolution of the system, where each pathway is associated with a complex-valued amplitude corresponding to a term in the Dyson series. …”
Get full text

On Quantum Statistical Mechanics: A Study Guide by Wladyslaw Adam Majewski

“…Centered on noncommutative calculus, we describe the physical concepts and mathematical structures appearing in the analysis of large quantum systems and their consequences. These include the emergence of algebraic approach and the necessity of employment of infinite-dimensional structures. …”
Get full text

Resonant Perturbation Theory of Decoherence and Relaxation of Quantum Bits by M. Merkli, G. P. Berman, I. M. Sigal

“…We describe our recent results on the resonant perturbation theory of decoherence and relaxation for quantum systems with many qubits. The approach represents a rigorous analysis of the phenomenon of decoherence and relaxation for general N-level systems coupled to reservoirs of bosonic fields. …”
Get full text

Quantum measurement: A short review by Dugić Miroljub, Jeknić-Dugić Jasmina, Arsenijević Momir

“…The last forty years brought a renowned interest in this problem with an emphasis on the new foundations of quantum theory and unpredicted formulation of some new quantum disciplines, such as the open quantum systems theory and the quantum information and computation science. …”
Get full text

A Quantum-Classical Collaborative Training Architecture Based on Quantum State Fidelity by Ryan L'Abbate, Anthony D'Onofrio, Samuel Stein, Samuel Yen-Chi Chen, Ang Li, Pin-Yu Chen, Juntao Chen, Ying Mao

“…Recent advancements have highlighted the limitations of current quantum systems, particularly the restricted number of qubits available on near-term quantum devices. …”
Get full text

Entanglement and quantum discord in the cavity QED models by Hui-hui Miao, Wanshun Li

“…We investigate the quantum correlation between light and matter in bipartite quantum systems, drawing on the Jaynes–Cummings model and the Tavis–Cummings model, which are well-established in cavity quantum electrodynamics. …”
Get full text

Computing Coherence Vectors and Correlation Matrices with Application to Quantum Discord Quantification by Jonas Maziero

“…Besides, we provide Fortran code to generate generalized Gell-Mann matrices and to compute the optimized and unoptimized versions of associated Bloch’s vectors and correlation matrix in the case of bipartite quantum systems. As a code test and application example, we consider the calculation of Hilbert-Schmidt quantum discords.…”
Get full text

Wide Effectiveness of a Sine Basis for Quantum-Mechanical Problems in d Dimensions by Richard L. Hall, Alexandra Lemus Rodríguez

“…What is perhaps a natural basis for quantum systems confined to a spherical box in Rd turns out to be appropriate also for problems that are softly confined by U-shaped potentials, including those with strong singularities at r=0. …”
Get full text