Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

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12,927 papers in 12 months (-5% vs prior quarter)

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1,571 papers found

Astigmatism-free 3D Optical Tweezer Control for Rapid Atom Rearrangement

Yue-Hui Lu, Nathan Song, Tai Xiang +4 more·Oct 13, 2025

Reconfigurable arrays of neutral atoms are a leading platform for quantum computing, quantum simulation, and quantum metrology. The most common method for atom reconfiguration using optical tweezers relies on frequency chirping of acousto-optic defle...

physics.opticsAtomic PhysicsQuantum Physics

Intermediate chiral edge states in quantum Hall Josephson junctions

Partha Sarathi Banerjee, Rahul Marathe, Sankalpa Ghosh·Oct 13, 2025

A transfer-matrix-based theoretical framework is developed to study transport in superconductor-quantum Hall-Superconductor (SQHS) Josephson junctions modulated by local potential barriers in the quantum-Hall regime. The method allows one to evaluate...

Mesoscale Physicscond-mat.supr-conQuantum Physics

Disorder-Induced Strongly Correlated Photons in Waveguide QED

Guoqing Tian, Li-Li Zheng, Zhi-Ming Zhan +2 more·Oct 13, 2025

Strongly correlated photons play a crucial role in modern quantum technologies. Here, we investigate the probability of generating strongly correlated photons in a chain of N qubits coupled to a one-dimensional (1D) waveguide. We found that disorder ...

Quantum Physics

A novel quantum memory effect and thermal modulation in graviton-mediated entanglement

Mainak Dutta, Partha Nandi, Bibhas Ranjan Majhi·Oct 13, 2025

A central challenge in probing the quantum nature of gravity is to distinguish effects that are genuinely quantum from those that can be explained classically. In this work, we study how quantized gravitational waves interact with thermal quantum sys...

gr-qchep-thQuantum Physics

Detecting gravitational waves with spin systems

Jiamin Liang, Mingqiu Li, Yu Gao +3 more·Oct 13, 2025

The observation of gravitational waves has opened a new window into the Universe through gravitational-wave astronomy. However, high-frequency gravitational waves remain undetected. In this work, we propose that spin systems can be employed to detect...

gr-qcastro-ph.COhep-phAtomic Physics

Quantum-Squeezing-Induced Algebraic Non-Hermitian Skin Effects and Ultra Spectral Sensitivity

Zhao-Fan Cai, Tao Liu·Oct 12, 2025

The well-established non-Bloch band theory predicts exponential localization of skin-mode eigenstates in one-dimensional (1D) non-Hermitian systems. Recent studies, however, have uncovered anomalous algebraic localization in higher dimensions. Here, ...

Quantum PhysicsMesoscale Physics

Uniformity Bias in Ground-State Sampling Induced by Replica Alignment in Quantum Monte Carlo for Quantum Annealing

Naoki Maruyama, Masayuki Ohzeki, Kazuyuki Tanaka·Oct 12, 2025

Quantum annealing (QA) with a transverse field often fails to sample degenerate ground states fairly, limiting applicability to problems requiring diverse optimal solutions. Although Quantum Monte Carlo (QMC) is widely used to simulate QA, its abilit...

Quantum Physicscond-mat.stat-mech

Electron Lateral Trapping Induced by Non-Uniform Thickness in Solid Neon Layers

Toshiaki Kanai, Chuanwei Zhang·Oct 11, 2025

Recent experimental advances highlight electron charge qubits floating above solid neon as an emerging promising platform for quantum computing, but the physical origin of single-electron lateral trapping is still not fully understood. While prior th...

Quantum Physics

Quantum modeling of radical pair magnetic sensor based on electric dipole moment

Mahboobe Sehati, Ali Soltanmanesh, Shabnam Abutalebi +4 more·Oct 11, 2025

Photoreduction of cryptochrome protein in the retina is a well-known mechanism of navigation of birds through the geomagnetic field, yet the biosignal nature of the mechanism remains unclear. The absorption of blue light by the flavin adenine dinucle...

physics.bio-phQuantum Physics

Broad nonlocal spectrum in the Pb-InSb hybrid three terminals for potential realization of Kitaev chains

Guoan Li, Xiaofan Shi, Ruixuan Zhang +21 more·Oct 11, 2025

Hybrid superconductor-semiconductor(SC-SM) nanowires remain one of the foremost platforms for engineering topological superconductivity and Majorana zero modes(MZMs) towards fault-tolerant topological qubits, especially with the rapid development of ...

Quantum PhysicsMesoscale Physicscond-mat.supr-con

Disorder-Induced Anomalous Diffusion in a 3D Spin Network

Andrew Stasiuk, Garrett Heller, Lance Berkey +2 more·Oct 10, 2025

Emergent hydrodynamics (EHD) bridges short-time unitarity with late-time thermodynamics, universal transport phenomena characterize the manner and speed of transport and thermalization. Typical non-integrable systems with few conserved local quantiti...

cond-mat.dis-nnQuantum Physics

Fast CZ Gate via Energy-Level Engineering in Superconducting Qubits with a Tunable Coupler

Benzheng Yuan, Chaojie Zhang, Chuanbing Han +8 more·Oct 10, 2025

In superconducting quantum circuits, decoherence errors in qubits constitute a critical factor limiting quantum gate performance. To mitigate decoherence-induced gate infidelity, rapid implementation of quantum gates is essential. Here we propose a s...

Quantum Physics

Two-Photon Induced Coherence without Induced Emission

Dong-Gil Im, Seung-Yeun Yoo, Chung-Hyun Lee +2 more·Oct 10, 2025

At the heart of recent breakthroughs in quantum imaging and spectroscopy utilizing undetected photons lies the quantum optical effect known as induced coherence without induced emission. This fundamental quantum interference effect has unlocked new p...

Quantum Physics

Algorithmic Temperature Induced by Adopted Regular Universal Turing Machine

Kentaro Imafuku·Oct 10, 2025

We prove that an effective temperature naturally emerges from the algorithmic structure of a regular universal Turing machine (UTM), without introducing any external physical parameter. In particular, the redundancy growth of the machine's wrapper la...

cond-mat.stat-mechcs.ITQuantum Physics

Beyond the Carnot limit: work extraction via an entropy battery

Liam Judd McClelland·Oct 10, 2025

Heat is a physical manifestation of entropy, where the removal of entropy from a thermal energy reservoir permits the conversion of heat into work. This entropy transfer is facilitated by the cold thermal energy reservoir in typical heat engines. Rec...

Quantum PhysicsMathematical Physics

LIV-Decoherence on Gravitational Cat States

Iarley P. Lobo, Kelvin Sampaio, Gislaine Varão +2 more·Oct 9, 2025

Inspired by approaches based on the stochastic generalized uncertainty principle, we propose a Lindblad equation derived from the quantization of a stochastic modified dispersion relation in a Lorentz Invariance Violation (LIV) scenario. This framewo...

Quantum Physicsgr-qc

Statistical Benchmarking of Optimization Methods for Variational Quantum Eigensolver under Quantum Noise

Silvie Illésová, Tomáš Bezděk, Vojtěch Novák +2 more·Oct 9, 2025

This work investigates the performance of numerical optimization algorithms applied to the State-Averaged Orbital-Optimized Variational Quantum Eigensolver for the H2 molecule under various quantum noise conditions. The goal is to assess the stabilit...

Quantum Physics

Degeneracy Cutting: A Local and Efficient Post-Processing for Belief Propagation Decoding of Quantum Low-Density Parity-Check Codes

Kento Tsubouchi, Hayata Yamasaki, Shiro Tamiya·Oct 9, 2025

Quantum low-density parity-check (qLDPC) codes are promising for realizing scalable fault-tolerant quantum computation due to their potential for low-overhead protocols. A common approach to decoding qLDPC codes is to use the belief propagation (BP) ...

Quantum Physics

Fractional quantum Hall states under density decoherence

Zijian Wang, Ruihua Fan, Tianle Wang +2 more·Oct 9, 2025

Fractional quantum Hall states are promising platforms for topological quantum computation due to their capacity to encode quantum information in topologically degenerate ground states and in the fusion space of non-abelian anyons. We investigate how...

cond-mat.str-elcond-mat.quant-gascond-mat.stat-mechQuantum Physics

Dynamical error reshaping for dual-rail erasure qubits

Filippos Dakis, Shruti Puri, Sophia E. Economou +1 more·Oct 9, 2025

Erasure qubits -- qubits designed to have an error profile that is dominated by detectable leakage errors -- are a promising way to cut down the resources needed for quantum error correction. There have been several recent experiments demonstrating e...

Quantum Physics
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