quant-ph papers | Gist.Science

Quantum physics explores the strange and often counterintuitive rules that govern the universe at its smallest scales. This field investigates how particles like electrons and photons behave in ways that defy our everyday intuition, forming the backbone of modern technologies from lasers to future quantum computers. While the mathematics can be daunting, the core ideas promise to revolutionize how we understand reality and process information.

At Gist.Science, we make these complex discoveries accessible to everyone. We systematically process every new preprint published in the Quant-Ph category on arXiv, transforming dense academic papers into clear, plain-language explanations alongside detailed technical summaries. Whether you are a seasoned researcher or a curious reader, our goal is to bridge the gap between cutting-edge theory and human understanding.

Below are the latest papers in quantum physics, distilled to help you grasp the newest breakthroughs without getting lost in the jargon.

⚛️ quantum physics

Quaternionic Perfect Sequences and Hadamard Matrices

This paper establishes a correspondence between quaternionic perfect sequences and Williamson-type Hadamard matrices to develop a highly efficient enumeration algorithm that extends exhaustive searches to order 21, proves that circulant blocks are necessarily pairwise amicable to drastically reduce computational complexity, and demonstrates the construction of new, non-equivalent quaternionic Hadamard matrices with applications in quantum communication.

Aidan Bennett, Curtis Bright, Paul Colinot, Ashwin Nayak2026-02-02

⚛️ quantum physics

Quantum-Inspired Reinforcement Learning for Secure and Sustainable AIoT-Driven Supply Chain Systems

This paper proposes a quantum-inspired reinforcement learning framework that integrates AIoT signals to simultaneously optimize supply chain logistics, minimize carbon footprints, and enhance security against cyber threats, demonstrating superior robustness and sustainability compared to conventional models.

Muhammad Bilal Akram Dastagir, Omer Tariq, Shahid Mumtaz, Saif Al-Kuwari, Ahmed Farouk2026-02-02

🔢 mathematics

Quantum bootstrap product codes

This paper introduces the quantum bootstrap product (QBP) paradigm, which generalizes standard homological product constructions by solving a "bootstrap equation" to generate "fork complexes," thereby unifying diverse codes like hypergraph and fracton codes while enabling the creation of self-correcting quantum memories that surpass existing rate and energy barrier limitations.

Meng-Yuan Li2026-02-02

⚛️ quantum physics

Dicke States for Accelerated Two Two-Level Atoms

This paper investigates the formation of Dicke states for accelerated two-level atoms in the Rindler wedge, deriving analytical expressions for joint excitation probabilities that reveal interference effects and clarify the relationship between single-atom and collective excitation dynamics in non-inertial frames.

Muzzamal I. Shaukat, Charles A. Wallace, Anatoly A. Svidzinsky, Marlan O. Scully2026-02-02

⚛️ quantum physics

Structural Conditions for Native CCZ Magic-State Fountains in qLDPC Codes

This paper establishes structural coding-theoretic conditions, specifically the existence of "magic-friendly triples" of logical operators, under which CSS qLDPC codes can implement constant-depth, parallel logical CCZ gates to enable native magic-state fountains, thereby reducing the realization of this capability in asymptotically good codes to a concrete combinatorial problem.

Mohammad Rowshan2026-02-02

⚛️ quantum physics

Towards Sample Efficient Entanglement Classification for 3 and 4 Qubit Systems: A Tailored CNN-BiLSTM Approach

This paper proposes a hybrid CNN-BiLSTM architecture, specifically a dimensionality-transforming variant, that achieves over 90% accuracy in classifying 3- and 4-qubit entanglement with as few as 100 training samples, effectively overcoming the data acquisition bottleneck in quantum systems.

Qian Sun, Yuedong Sun, Yu Hu, Yihan Ma, Runqi Han, Nan Jiang2026-02-02

⚛️ quantum physics

Steady-State Emission of Quantum-Correlated Light in the Telecom Band from a Single Atom

This paper proposes and numerically validates a scheme for generating steady-state, quantum-correlated, and antibunched light in the telecom band from a single cesium atom by driving two-photon transitions and utilizing cavity coupling to enhance emission rates.

Alex Elliott, Takao Aoki, Scott Parkins2026-02-02

⚛️ quantum physics

Are Bell's conditions for local realism general enough?

The paper argues that Bell's conditions for local realism are overly idealized for optical experiments, proposing that a more physical model accounting for a coincidence-time loophole can violate the Clauser-Horne inequality while remaining consistent with local realism.

Emilio Santos2026-02-02

⚛️ quantum physics

Fast magic state preparation by gauging higher-form transversal gates in parallel

This paper introduces a fast, fault-tolerant protocol for the parallel preparation of multiple magic states with constant time and linear qubit overhead by performing generalized gauging measurements on quantum codes that support higher-form transversal gates.

Dominic J. Williamson2026-02-02

⚛️ lattice

A novel Hamiltonian formulation of $1+1$ dimensional $ϕ^4$ theory in Daubechies wavelet basis: momentum space analysis

This paper employs a nonperturbative Hamiltonian framework using Daubechies wavelets in momentum space to analyze $1+1$ dimensional $\phi^4$ theory, successfully demonstrating the emergence of a strong-coupling phase transition in the $m^2>0$ sector.

Mrinmoy Basak2026-02-02

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quant-ph

Quaternionic Perfect Sequences and Hadamard Matrices

Quantum-Inspired Reinforcement Learning for Secure and Sustainable AIoT-Driven Supply Chain Systems

Quantum bootstrap product codes

Dicke States for Accelerated Two Two-Level Atoms

Structural Conditions for Native CCZ Magic-State Fountains in qLDPC Codes

Towards Sample Efficient Entanglement Classification for 3 and 4 Qubit Systems: A Tailored CNN-BiLSTM Approach

Steady-State Emission of Quantum-Correlated Light in the Telecom Band from a Single Atom

Are Bell's conditions for local realism general enough?

Fast magic state preparation by gauging higher-form transversal gates in parallel

A novel Hamiltonian formulation of 1+11+11+1 dimensional ϕ4ϕ^4ϕ4 theory in Daubechies wavelet basis: momentum space analysis

A novel Hamiltonian formulation of $1+1$ dimensional $ϕ^4$ theory in Daubechies wavelet basis: momentum space analysis