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xploiting quantum interference remains a significant challenge in ultracold inelastic scattering. In this work, we propose a method to enable detectable quantum interference within the two-body loss rate resulting from various inelastic…

Quantum Gases · Physics 2024-12-03 Ting Xie , Chuan-Cun Shu

With quantum interference of two-path spontaneous emissions, we propose a novel scheme to coherently control the atom--photon momentum entanglement through atomic internal coherence. A novel phenomenon called ``momentum phase entanglement''…

Quantum Physics · Physics 2007-12-18 Rui Guo , Hong Guo

We follow the emergence of quantum entanglement in a scattering event between two initially uncorrelated distinguishable quantum particles interacting via a delta potential. We calculate the time dependence of the Neumann entropy of the…

Quantum Physics · Physics 2015-05-30 Mihaly G. Benedict , Judit Kovacs , Attila Czirjak

This paper presents the inversion symmetry breaking observed in ion-pair formation from molecular hydrogen on electron impact. We explain these observations using quantum interference of two dissociation paths coherently accessed by…

Chemical Physics · Physics 2024-04-17 Akshay Kumar , Suvasis Swain , Vaibhav S. Prabhudesai

A study of Bose-Einstein correlations in pairs of identically charged pions produced in e+e- annihilations at the Z0 peak has been performed for the first time assuming a non-static emitting source. The results are based on the high…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration

Quantum entanglement between the degrees of freedom encountered in the classical world is challenging to observe due to the surrounding environment. To elucidate this issue, we investigate the entanglement generated over ultrafast…

Triple differential cross sections of pions in heavy ion collisions at 1 GeV/nucl. are studied with the IQMD model. After discussing general properties of $\Delta$ resonance and pion production we focus on azimuthal correlations: At…

Nuclear Theory · Physics 2016-09-08 S. A. Bass , C. Hartnack , H. Stoecker , W. Greiner

This paper explores the connections between particle scattering and quantum information theory in the context of the non-relativistic, elastic scattering of two spin-1/2 particles. An untangled, pure, two-particle in-state is evolved by an…

Quantum Physics · Physics 2009-11-11 N. L. Harshman

Understanding the behavior of large atomic nuclei (heavy ions) in high-energy collisions has been the focus of a concerted research effort over the past 10-15 years, with a recent focus on transverse momentum-dependent (or "unintegrated")…

High Energy Physics - Phenomenology · Physics 2014-09-30 David Zaslavsky

Entanglement engineering plays a central role in quantum-enhanced technologies, with potential physical platforms that outperform their classical counterparts. However, free electrons remain largely unexplored despite their great capacity…

Quantum Physics · Physics 2020-11-12 Shahaf Asban , Javier García de Abajo

We study the primary entanglement effect on the decoherence of fields reduced density matrix which are in interaction with another fields or independent mode functions. We show that the primary entanglement has a significant role in…

General Relativity and Quantum Cosmology · Physics 2017-05-23 Abasalt Rostami , Javad T. Firouzjaee

Genuine quantum interference between independent nonlinear processes of different order provides a route to coherent control that cannot be reduced to a classical field interference. Here we present an all-optical analogue of coherent…

Optics · Physics 2026-01-27 Alessia Stefano , Samuel E. Fontaine , J. E. Sipe , Marco Liscidini

We investigate the time evolution and asymptotic behavior of a system of two two-level atoms (qubits) interacting off-resonance with a single mode radiation field. The two atoms are coupled to each other through dipole-dipole as well as…

Quantum Physics · Physics 2021-06-09 Gehad Sadiek , Wiam Al-Drees , Salwa Shaglel , Hala Elhag

We propose a new approach in the investigation and detection of axion and axion-like particles based on the study of the entanglement for two interacting fermions. We study a system made of two identical fermions with spin-1/2, and we show…

High Energy Physics - Phenomenology · Physics 2021-01-19 Antonio Capolupo , Gaetano Lambiase , Aniello Quaranta , Salvatore Marco Giampaolo

The Hong-Ou-Mandel effect is a paradigmatic quantum phenomenon demonstrating the interference of two indistinguishable photons that are linearly coupled at a 50:50 beam splitter. Here, we transpose such a two-particle quantum interference…

Entanglement is a vital property of multipartite quantum systems, characterised by the inseparability of quantum states of objects regardless of their spatial separation. Generation of entanglement between increasingly macroscopic and…

Quantum high-harmonic generation (HHG) is a prominent and growing field of research with potential capabilities of providing high photon-number entangled states of light. However, there is an open debate regarding the theory level required…

Quantum Physics · Physics 2026-03-16 Sebastián de-la-Peña , Heiko Appel , Angel Rubio , Ofer Neufeld

Motivated by the Bose et al.-Matletto-Vedral (BMV) proposal for detecting quantum superposition of spacetime geometries, we study a toy model of a quantum entanglement generation between two spins (qubits) mediated by a relativistic free…

Quantum Physics · Physics 2023-04-19 Yoshimasa Hidaka , Satoshi Iso , Kengo Shimada

A core process in many quantum tasks is the generation of entanglement. It is being actively studied in a variety of physical settings - from simple bipartite systems to complex multipartite systems. In this work we experimentally study the…

Quantum Physics · Physics 2017-12-19 F. Dieleman , M. S. Tame , Y. Sonnefraud , M. S. Kim , S. A. Maier

Sources of entanglement are an enabling resource in quantum technology, and pushing the limits of generation rate and quality of entanglement is a necessary pre-requisite towards practical applications. Here, we present an ultra-bright…