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Almost 60 years ago Dicke introduced the term superradiance to describe a signature quantum effect: N atoms can collectively emit light at a rate proportional to N^2. Even for moderate N this represents a significant increase over the…

Quantum Physics · Physics 2014-08-27 K. D. B. Higgins , S. C. Benjamin , T. M. Stace , G. J. Milburn , B. W. Lovett , E. M. Gauger

Dicke superradiance describes an ensemble of $N$ permutationally invariant two-level systems collectively emitting radiation with a peak radiated intensity scaling as $N^2$. Although individual Dicke states are typically entangled, the…

Quantum Physics · Physics 2026-03-27 Nico S. Bassler

Recent advances in generating well controlled dense arrangements of individual atoms in free space have generated interest in understanding how the extended nature of these systems influences superradiance phenomena. Here, we provide an…

Quantum Physics · Physics 2024-06-06 Stefan Ostermann , Oriol Rubies-Bigorda , Victoria Zhang , Susanne F. Yelin

We considered the systematics of $\alpha$-decay (AD) half-life (HL) of super-heavy nuclei versus the decay energy and the total $\alpha$-kinetic energy. We calculated the HL using the experimental Q_{$\alpha$} values. The computed…

Nuclear Theory · Physics 2017-06-28 S. S. Hosseini , H. Hassanabadi

I review experimental results from ultrarelativistic heavy ion collisions. Signals of new physics and observables reflecting the underlying collision dynamics are presented, and the evidence for new physics discussed. Measurements of higher…

Nuclear Experiment · Physics 2007-05-23 Barbara V. Jacak

The field of nuclear science has considerably advanced since its beginning just over a century ago. Today, the science of rare isotopes is on the cusp of a new era with theoretical and computing advances complementing experimental…

Nuclear Experiment · Physics 2026-04-30 H. L. Crawford , K. Fossez , S. König , A. Spyrou

Ultra-relativistic heavy-ions carry strong electromagnetic and nuclear fields. Interactions between these fields in peripheral nucleus-nucleus collisions can probe many interesting physics topics. This presentation will focus on coherent…

Nuclear Experiment · Physics 2007-05-23 Joakim Nystrand , Spencer Klein , the STAR Collaboration

The FINUDA experiment collected data to study the production of hypernuclei on different nuclear targets. The hypernucleus formation occurred through the strangeness-exchange reaction $K^-_{stop} + \; ^AZ \rightarrow \; ^A_{\Lambda}Z +…

Einstein's contribution to relativity is reviewed. It is pointed out that Weyl gave first unified theory of gravitation and electromagnetism and it was different than the five dimensional theory of Kaluza. Einstein began his work on…

General Physics · Physics 2019-02-06 S C Tiwari

A first-principles description of nuclear systems along the drip lines presents a substantial theoretical and computational challenge. In this paper, we discuss the nuclear theory roadmap, some of the key theoretical approaches, and present…

Nuclear Theory · Physics 2013-01-31 C. Forssen , G. Hagen , M. Hjorth-Jensen , W. Nazarewicz , J. Rotureau

This paper gives a short review of the history of statistical physics starting from D. Bernoulli's kinetic theory of gases in the 18th century until the recent new developments in nonequilibrium kinetic theory in the last decades of this…

History and Philosophy of Physics · Physics 2007-05-23 D. Flamm

We give a detailed account of the recent retrieval of a consistent amount (about 600 pages) of documents written by Enrico Fermi and/or his collaborators, coming from different sources previously unexplored. These documents include…

History and Philosophy of Physics · Physics 2008-03-10 S. Esposito , O. Pisanti

The study of nuclei predates by many years the theory of quantum chromodynamics. More recently, effective field theories have been used in nuclear physics to ``cross the border'' from QCD to a nuclear theory. We are now entering the second…

This year is 50 anniversary of the first experimental observation of ultracold neutrons (UCN). I present my reminiscences of the first experiment in Dubna, first encounter with F.L. Shapiro -- pioneer of the UCN investigations, and the…

History and Philosophy of Physics · Physics 2018-05-15 Yu. N. Pokotilovski

This is a historical account from my personal perspective of the development over the last few decades of the standard model of particle physics. The model is based on gauge theories, of which the first was quantum electrodynamics,…

History and Philosophy of Physics · Physics 2014-12-15 Tom W. B. Kibble

Detlef D\"urr (1951-2021) was a theoretical and mathematical physicist who worked particularly on the foundations of quantum mechanics, electromagnetism, and statistical mechanics. This piece is a rather personal look back at him and his…

History and Philosophy of Physics · Physics 2024-05-08 Roderich Tumulka

The rotating nuclei represent one of most interesting subjects for theoretical and experimental studies. They open a new dimension of nuclear landscape, namely, spin direction. Contrary to the majority of nuclear systems, their properties…

Nuclear Theory · Physics 2016-04-27 A. V. Afanasjev

In this contribution, the eikonal approximation developed by Roy Glauber to describe high-energy quantum collisions is presented. This approximation has been-and still is-extensively used to analyse reaction measurements performed to study…

Nuclear Theory · Physics 2019-12-17 Pierre Capel

Einstein is usually revered as the father of special and general relativity. In this article I demonstrate that he is also the father of Solid State Physics, or even his broader version known as Condensed Matter Physics (including liquids).…

History and Philosophy of Physics · Physics 2007-05-23 Manuel Cardona

Some seventy five years ago, the concept of dark matter was introduced by Zwicky to explain the anomaly of galactic rotation curves, though there is no clue to its identity or existence to date. In 1997, the author had introduced a model of…

General Physics · Physics 2015-01-13 Burra G. Sidharth