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19922026
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468 papers · 1 filter

quant-ph2026★ 2 cited

Sample-half-inserted quantum interferometer

Wei Li, Tao Xie, Yu-Hang Luo +11

Quantum technologies have been widely recognized as unprecedented opportunities for ultra-high precision metrology. As a celebrated example in modern quantum optics, the Hong-Ou-Ma…

quant-ph2026★ 9 cited

Enhanced phase estimation with coherently boosted two-mode squeezed beams and its application to optical gyroscopes

Xiao-Qi Xiao, Elisha S. Matekole, Jiankang Zhao +3

Quantum techniques, developed in recent decades, provide new approaches to achieving high-precision measurements beyond the classical bounds. In this paper, we theoretically demons…

quant-ph2026

Polymer quantum mechanics on compact configuration spaces

Maxwell R. Siebersma, Basie Seibert, Samuel Shuman +1

"Polymer quantum mechanics" is the name given to a quantization scheme inspired by loop quantum gravity in which the configuration space of the theory is chosen to have a discrete…

quant-ph2025

Secure and Efficient n-Qubit Entangled State Teleportation Using Partially Entangled GHZ Channels and Optimal POVM

Animesh Banik, Md. Shihab Khan, Rafid Masrur Khan +2

We introduce an efficient and versatile quantum teleportation protocol for specific types of n-qubit entangled states. By employing a partially entangled Greenberger-Horne-Zeilinge…

quant-ph2025

Frustration-Free Control and Absorbing-State Transport in Entangled State Preparation

T. Dörstel, T. Iadecola, J. H. Wilson +1

We study frustration-free control, a measurement-feedback protocol for quantum state preparation that extends the concept of frustration-free Hamiltonians to stochastic dynamics. T…

quant-ph2025★ 3 cited

Pulse-to-Circuit Characterization of Stealthy Crosstalk Attack on Multi-Tenant Superconducting Quantum Hardware

Syed Emad Uddin Shubha, Tasnuva Farheen

Hardware crosstalk in multi-tenant superconducting quantum computers constitutes a significant security threat, enabling adversaries to inject targeted errors across tenant boundar…

quant-ph2025

Temporal steering of entanglement decay with single-shot control

Saumya Ranjan Behera, Kallol Sen, Animesh Sinha Roy +4

Entanglement in open quantum systems can vanish abruptly through entanglement sudden death (ESD) under dissipative evolution, posing a challenge for quantum technologies. Here, we…

quant-ph2025

Temporal steering of entanglement decay with single-shot control

Saumya Ranjan Behera, Kallol Sen, Animesh Sinha Roy +4

Entanglement in open quantum systems can vanish abruptly through entanglement sudden death (ESD) under dissipative evolution, posing a challenge for quantum technologies. Here, we…

quant-ph2025★ 1 cited

Bridging Classical and Quantum Information Scrambling with the Operator Entanglement Spectrum

Ben T. McDonough, Claudio Chamon, Justin H. Wilson +1

Universal features of chaotic quantum dynamics underlie our understanding of thermalization in closed quantum systems and the complexity of quantum computations. Reversible automat…

quant-ph2025★ 1 cited

Localizing quantum fields with time-dependent potentials

Boris Ragula, Bruno de S. L. Torres, Erik Schnetter +1

In this paper we study the effect of localizing quantum field degrees of freedom by dynamically growing cavity walls through a time-dependent potential. We use our results to show…

quant-ph2024

Efficacious qubit mappings for quantum simulations of the C rotational band

Darin C. Mumma, Zhonghao Sun, Alexis Mercenne +3

Solving atomic nuclei from first principles places enormous demands on computational resources, which grow exponentially with increasing number of particles and the size of the spa…

quant-ph2024★ 3 cited

Concomitant Entanglement and Control Criticality Driven by Collective Measurements

Thomas Iadecola, Justin H. Wilson, J. H. Pixley

Adaptive quantum circuits-where a quantum many-body state is controlled using measurements and conditional unitary operations-are a powerful paradigm for state preparation and quan…

quant-ph2024★ 1 cited

Unextendible entanglement of quantum channels

Vishal Singh, Mark M. Wilde

Quantum communication relies on the existence of high quality quantum channels to exchange information. In practice, however, all communication links are affected by noise from the…

quant-ph2024★ 7 cited

Multiphoton Quantum Imaging using Natural Light

Fatemeh Mostafavi, Mingyuan Hong, Riley B. Dawkins +5

It is thought that schemes for quantum imaging are fragile against realistic environments in which the background noise is often stronger than the nonclassical signal of the imagin…

quant-ph2024★ 7 cited

Local and nonlocal stochastic control of quantum chaos: Measurement- and control-induced criticality

Haining Pan, Sriram Ganeshan, Thomas Iadecola +2

We theoretically study the topology of the phase diagram of a family of quantum models inspired by the classical Bernoulli map under stochastic control. The quantum models inherit…

quant-ph2024★ 5 cited

Statistical Mechanics of Stochastic Quantum Control: -adic Rényi Circuits

Andrew A. Allocca, Conner LeMaire, Thomas Iadecola +1

The dynamics of quantum information in many-body systems with large onsite Hilbert space dimension admits an enlightening description in terms of effective statistical mechanics mo…

quant-ph2024★ 6 cited

Logarithmic-Depth Quantum Circuits for Hamming Weight Projections

Soorya Rethinasamy, Margarite L. LaBorde, Mark M. Wilde

A pure state of fixed Hamming weight is a superposition of computational basis states such that each bitstring in the superposition has the same number of ones. Given a Hilbert spa…

quant-ph2024★ 10 cited

Reducing classical communication costs in multiplexed quantum repeaters using hardware-aware quasi-local policies

Stav Haldar, Pratik J. Barge, Xiang Cheng +5

Future quantum networks will have nodes equipped with multiple quantum memories, allowing for multiplexing and entanglement distillation strategies in order to increase fidelities…

quant-ph2023★ 3 cited

Quantum conditional mutual information of W state in non-inertial frames

H Saveetha, Peter P. Rohde, R Chandrashekar

Quantum conditional mutual information (QCMI) is a versatile information theoretic measure. It is used to find the amount of correlations between two qubits from the perspective of…

quant-ph2023★ 38 cited

Quantum interferometers: principles and applications

Rui-Bo Jin, Zi-Qi Zeng, Chenglong You +1

Interference, which refers to the phenomenon associated with the superposition of waves, has played a crucial role in the advancement of physics and finds a wide range of applicati…

quant-ph2023★ 10 cited

Coherent states of the Laguerre-Gauss modes

M. P. Morales Rodríguez, O. S. Magaña-Loaiza, B. Perez-Garcia +3

Large quantum photonic systems hold promise for surpassing classical computational limits, yet their state preparation remains a challenge. We propose an alternative approach to st…

quant-ph2023★ 3 cited

Quantum Computational Complexity and Symmetry

Soorya Rethinasamy, Margarite L. LaBorde, Mark M. Wilde

Testing the symmetries of quantum states and channels provides a way to assess their usefulness for different physical, computational, and communication tasks. Here, we establish s…

quant-ph2023★ 94 cited

Entanglement-Based Quantum Information Technology

Zheshen Zhang, Chenglong You, Omar S. Magaña-Loaiza +7

Entanglement is a quintessential quantum mechanical phenomenon with no classical equivalent. First discussed by Einstein, Podolsky, and Rosen and formally introduced by Schrödinger…

quant-ph2023

Quantum Entanglement & Purity Testing: A Graph Zeta Function Perspective

Zachary P. Bradshaw, Margarite L. LaBorde

We assign an arbitrary density matrix to a weighted graph and associate to it a graph zeta function that is both a generalization of the Ihara zeta function and a special case of t…