arXiv bot (quant-ph)

All new submissions in the quant-ph category on Fri, 6 Mar 2026 have been posted.

Universal quantum computation with group surface codes
https://arxiv.org/pdf/2603.05502
Naren Manjunath, Vieri Mattei, Apoorv Tiwari, Tyler D. Ellison.

Calculating trace distances of bosonic states in Krylov subspace
https://arxiv.org/pdf/2603.05499
Javier Martínez-Cifuentes, Nicolás Quesada.

Mirror codes: High-threshold quantum LDPC codes beyond the CSS regime
https://arxiv.org/pdf/2603.05496
Andrey Boris Khesin, Jonathan Z. Lu.

Ansatz-Free Learning of Lindbladian Dynamics In Situ
https://arxiv.org/pdf/2603.05492
Petr Ivashkov, Nikita Romanov, Weiyuan Gong, Andi Gu, Hong-Ye Hu, Susanne F. Yelin.

Improved Decoding of Quantum Tanner Codes Using Generalized Check Nodes
https://arxiv.org/pdf/2603.05486
Olai Å. Mostad, Eirik Rosnes, Hsuan-Yin Lin.

High-performance syndrome extraction circuits for quantum codes
https://arxiv.org/pdf/2603.05481
Armands Strikis, Dan E. Browne, Michael E. Beverland.

Quantum Simulation of Coupled Harmonic Oscillators: From Theory to Implementation
https://arxiv.org/pdf/2603.05479
Viraj Dsouza, Weronika Golletz, Dimitrios Kranas, Bakhao Dioum, Vardaan Sahgal, Eden Schirman.

Low-depth amplitude estimation via statistical eigengap estimation
https://arxiv.org/pdf/2603.05475
Po-Wei Huang, Bálint Koczor.

Spatiotemporal Pauli processes: Quantum combs for modelling correlated noise in quantum error correction
https://arxiv.org/pdf/2603.05474
John F Kam, Angus Southwell, Spiro Gicev, Muhammad Usman, Kavan Modi.

Heuristics for Shuttling Sequence Optimization for a Linear Segmented Trapped-Ion Quantum Computer
https://arxiv.org/pdf/2603.05464
J. Durandau, C.A. Brunet, F. Schmidt-Kaler, U. Poschinger, F. Mailhot, Y. Bérubé-Lauzière.

Local strategies are pretty good at computing Boolean properties of quantum sequences
https://arxiv.org/pdf/2603.05452
Tathagata Gupta, Ankith Mohan, Shayeef Murshid, Vincent Russo, Jamie Sikora, Alice Zheng.

Measurement Induced Asymmetric Entanglement in Deconfined Quantum Critical Ground State
https://arxiv.org/pdf/2603.05436
K. G. S. H. Gunawardana.

Extreme Quantum Cognition Machines for Deliberative Decision Making
https://arxiv.org/pdf/2603.05430
Francesco Romeo, Jacopo Settino.

Constant depth magic state cultivation with Clifford measurements by gauging
https://arxiv.org/pdf/2603.05429
Bence Hetényi, Benjamin J. Brown, Dominic. J. Williamson.

Optimal Decoding with the Worm
https://arxiv.org/pdf/2603.05428
Zac Tobias, Nikolas P. Breuckmann, Benedikt Placke.

Decay Rates in Interleaved Benchmarking with Single-Qubit References
https://arxiv.org/pdf/2603.05422
Ilya A. Simakov et al.

All You Need is Amplifier: Spectral Imposters Without Pulse Shaping
https://arxiv.org/pdf/2603.05417
Valeriia Bilokon, Elvira Bilokon, Denys I. Bondar.

Recursive Magic State Distillation on the Surface Code
https://arxiv.org/pdf/2603.05409
Jonathan E. Moussa.

Generalized matching decoders for 2D topological translationally-invariant codes
https://arxiv.org/pdf/2603.05402
Shi Jie Samuel Tan, Ian Gill, Eric Huang, Pengyu Liu, Chen Zhao, Hossein Dehghani, Aleksander Kubica, Hengyun Zhou, Arpit Dua.

QGPU: Parallel logic in quantum LDPC codes
https://arxiv.org/pdf/2603.05398
Boren Gu, Andy Zeyi Liu, Armanda O. Quintavalle, Qian Xu, Jens Eisert, Joschka Roffe.

Extending spin-lattice relaxation theory to three-phonon processes
https://arxiv.org/pdf/2603.05393
Nilanjana Chanda, Alessandro Lunghi.

SpiderCat: Optimal Fault-Tolerant Cat State Preparation
https://arxiv.org/pdf/2603.05391
Andrey Boris Khesin, Sarah Meng Li, Boldizsár Poór, Benjamin Rodatz, John van de Wetering, Richie Yeung.

Achieving Thresholds via Standalone Belief Propagation on Surface Codes
https://arxiv.org/pdf/2603.05381
Pedro Hack, Luca Menti, Francisco Lazaro, Alexandru Paler.

Nonreciprocal transparency windows, Fano resonance, and slow/fast light in a membrane-in-the-middle magnomechanical system induced by the Barnett effect
https://arxiv.org/pdf/2603.05359
M. Amghar, M. Amazioug.

Computing Green's functions and improving ground state energy estimation on quantum computers with Liouvillian recursion
https://arxiv.org/pdf/2603.05349
Jérôme Leblanc, Olivier Nahman-Lévesque, Julien Forget, Thomas Lepage-Lévesque, Simon Verret, Alexandre Foley.

Simplified circuit-level decoding using Knill error correction
https://arxiv.org/pdf/2603.05320
Ewan Murphy, Subhayan Sahu, Michael Vasmer.

Robust and optimal control of open quantum systems
https://arxiv.org/pdf/2603.05249
Zi-Jie Chen, Hongwei Huang, Lida Sun, Qing-Xuan Jie, Jie Zhou, Ziyue Hua, Yifang Xu, Weiting Wang, Guang-Can Guo, Chang-Ling Zou, Luyan Sun, Xu-Bo Zou.

False traps on quantum-classical optimization landscapes
https://arxiv.org/pdf/2603.05190
Xiaozhen Ge, Shuming Cheng, Guofeng Zhang, Re-Bing Wu.

Design and Analysis of an Improved Constrained Hypercube Mixer in Quantum Approximate Optimization Algorithm
https://arxiv.org/pdf/2603.05187
Arkadiusz Wołk, Karol Capała, Katarzyna Rycerz.