Search Results - "Density matrices"

SPIN ALIGNMENT, TENSOR POLARIZABILITIES, AND LOCAL EQUILIBRIUM FOR SPIN-1 PARTICLES.

Authors: FLORKOWSKI, WOJCIECH KAR, SUDIP KUMAR MYKHAYLOVA, VALERIYA

Source: Acta Physica Polonica B. 2026, Vol. 57 Issue 6, p1-20. 20p.

No boundary density matrix in elliptic de Sitter dS/ℤ2.

Authors: Dulac, Raphaël Wei, Zixia

Source: Journal of High Energy Physics. May2026, Vol. 2026 Issue 5, p1-34. 34p.

Population–Coherence Routes to Purity in Page-Type Models of Black-Hole Evaporation.

Authors: Gil, José J.¹ (AUTHOR)

Source: Entropy. Mar2026, Vol. 28 Issue 3, p263. 20p.

Kicked Fluxonium with a Quantum Strange Attractor.

Authors: Chepelianskii, Alexei D. Shepelyansky, Dima L.

Source: Physics (2624-8174). Mar2026, Vol. 8 Issue 1, p22. 13p.

Magnetic diffusion effect of Landau states.

Authors: Da, Cheng Fan, Hong-Yi

Source: Canadian Journal of Physics; 1/30/2026, Vol. 104, p1-6, 6p

Influence of the reinsertion algorithm on the performance of the Vertex Entanglement method.

Authors: Ghavasieh, Arsham Grassia, Marco De Domenico, Manlio

Source: Communications Physics. 1/7/2026, Vol. 9 Issue 1, p1-4. 4p.

Qubit Thermalization by Random Pulses: Asymptotic State Factorization.

Authors: Gzyl, H.¹ henryk.gzyl@iesa.edu.ve

Source: Acta Physica Polonica: A. 2026, Vol. 149 Issue 1, p17-24. 8p.

Calculating the Projective Norm of Higher-Order Tensors Using a Gradient Descent Algorithm.

Authors: Rudra, Aaditya Jivulescu, Maria Anastasia

Source: Mathematics (2227-7390). Jan2026, Vol. 14 Issue 1, p105. 26p.

Spacetime density matrix: formalism and properties.

Authors: Guo, Wu-zhong¹ (AUTHOR) wuzhong@hust.edu.cn

Source: Journal of High Energy Physics. Jan2026, Vol. 2026 Issue 1, p1-42. 42p.

ESTIMATION OF THE REDUCED DENSITY MATRIX AND ENTANGLEMENT ENTROPIES USING AUTOREGRESSIVE NETWORKS.

Authors: BIAŁAS, PIOTR KORCYL, PIOTR STEBEL, TOMASZ et al.

Source: Acta Physica Polonica B. 2025, Vol. 56 Issue 12, p1-20. 20p.

Feynman Path Integral and Landau Density Matrix in Probability Representation of Quantum States.

Authors: Man'ko, Olga V.¹ (AUTHOR)

Source: Physics (2624-8174). Dec2025, Vol. 7 Issue 4, p66. 12p.

Rescaled ♮α-Rényi divergences of all real orders.

Authors: Seo, Yuki¹ (AUTHOR) yukis@cc.osaka-kyoiku.ac.jp

Source: Linear & Multilinear Algebra. Nov2025, Vol. 73 Issue 17, p3825-3860. 36p.

Interpretable weakly-supervised learning through kernel density matrices: A digital pathology use case.

Authors: Medina, Sebastian Romero, Eduardo Cruz-Roa, Angel et al.

Source: PLoS ONE. 11/5/2025, Vol. 20 Issue 11, p1-20. 20p.

A 50‐Year Historical Perspective of the Extended Koopmans' Theorem, Its Exactness, and Future Prospects.

Authors: Morrison, Robert C.¹ (AUTHOR) morrisonr@ecu.edu

Source: International Journal of Quantum Chemistry. 7/5/2026, Vol. 126 Issue 13, p1-5. 5p.

Subjects: Ionization energy, Density matrices, Reactivity (Chemistry), Electron configuration, Atomic orbitals, Self-consistent field theory

On the rank of extremal marginal states.

Authors: Devendra, Repana Dey, Pankaj Dey, Santanu

Source: Linear Algebra & its Applications. May2026, Vol. 737, p146-172. 27p.

Subjects: Quantum states, Density matrices, Matrices (Mathematics)

Entanglement entropy of Compton scattering with a witness.

Authors: Shivashankara, Shanmuka, sshivashankara@colgate.edu

Source: Canadian Journal of Physics; Dec2023, Vol. 101 Issue 12, p757-766, 10p

Gaussian density operator properties for the harmonic oscillator.

Authors: Alavi, Saman Snider, R.F.

Source: Canadian Journal of Physics; 2025, Vol. 103 Issue 9, p932-938, 7p

Fragmentation of a Trapped Multi-Species Bosonic Mixture.

Authors: Alon, Ofir E. Cederbaum, Lorenz S.

Source: Physics (2624-8174). Sep2025, Vol. 7 Issue 3, p38. 22p.

Analysis of density matrix embedding theory around the non‐interacting limit.

Authors: Cancès, Eric Faulstich, Fabian M. Kirsch, Alfred et al.

Source: Communications on Pure & Applied Mathematics. Aug2025, Vol. 78 Issue 8, p1359-1410. 52p.

Quantum Fisher information density in infinite-size extended Ising chains.

Authors: Qu, Shu Cheng, Hong-Guang Wu, Chen et al.

Source: European Physical Journal B: Condensed Matter. May2025, Vol. 98 Issue 5, p1-8. 8p.

Subjects: Quantum phase transitions, Density matrices, Quantum theory, Ising model, Fisher information