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We develop a semiclassical density functional theory in the context of quantum dots. Coulomb blockade conductance oscillations have been measured in several experiments using nanostructured quantum dots. The statistical properties of these…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Denis Ullmo , Tatsuro Nagano , Steven Tomsovic , Harold U. Baranger

Analysis of various mass relations connected with neutron-proton correlations in atomic nuclei is carried out. On the example of $N = Z$ chain it is shown that for self-adjoint nuclei various formulas proposed in literature for $ np $…

Nuclear Theory · Physics 2023-12-11 B. S. Ishkhanov , S. Sidorov , T. Tretyakova , E. Vladimirova

We utilize the generalized contact formalism in conjunction with the Woods-Saxon mean-field description of the long-range part of the nuclear wave function to assess the relative prevalence of short-range correlation pairs within atomic…

Nuclear Theory · Physics 2024-07-23 Raz Yankovich , Ehoud Pazy , Nir Barnea

Coulomb dissociation is an especially simple and important reaction mechanism. Since the perturbation due to the electric field of the (target) nucleus is exactly known, firm conclusions can be drawn from such measurements. Electromagnetic…

Nuclear Theory · Physics 2011-07-19 Gerhard Baur , Kai Hencken , Dirk Trautmann

Neutron-rich light nuclei and their reactions play an important role for the creation of chemical elements. Here, data from a Coulomb dissociation experiment on $^{20,21}$N are reported. Relativistic $^{20,21}$N ions impinged on a lead…

Nuclear Experiment · Physics 2016-07-04 Marko Röder , Tatsuya Adachi , Yulia Aksyutina , Juan Alcantara , Sebastian Altstadt , Hector Alvarez-Pol , Nicholas Ashwood , Leyla Atar , Thomas Aumann , Vladimir Avdeichikov , M. Barr , Saul Beceiro , Daniel Bemmerer , Jose Benlliure , Carlos Bertulani , Konstanze Boretzky , Maria J. G. Borge , G. Burgunder , Manuel Caamano , Christoph Caesar , Enrique Casarejos , Wilton Catford , Joakim Cederkall , S. Chakraborty , Marielle Chartier , Leonid Chulkov , Dolores Cortina-Gil , Raquel Crespo , Ushasi Datta Pramanik , Paloma Diaz-Fernandez , Iris Dillmann , Zoltan Elekes , Joachim Enders , Olga Ershova , A. Estrade , F. Farinon , Luis M. Fraile , Martin Freer , M. Freudenberger , Hans Fynbo , Daniel Galaviz , Hans Geissel , Roman Gernhäuser , Kathrin Göbel , Pavel Golubev , Diego Gonzalez Diaz , Julius Hagdahl , Tanja Heftrich , Michael Heil , Marcel Heine , Andreas Heinz , Ana Henriques , Matthias Holl , G. Ickert , Alexander Ignatov , Bo Jakobsson , Hakan Johansson , Björn Jonson , Nasser Kalantar-Nayestanaki , Rituparna Kanungo , Aleksandra Kelic-Heil , Ronja Knöbel , Thorsten Kröll , Reiner Krücken , J. Kurcewicz , Nikolaus Kurz , Marc Labiche , Christoph Langer , Tudi Le Bleis , Roy Lemmon , Olga Lepyoshkina , Simon Lindberg , Jorge Machado , Justyna Marganiec , Magdalena Mostazo Caro , Alina Movsesyan , Mohammad Ali Najafi , Thomas Nilsson , Chiara Nociforo , Valerii Panin , Stefanos Paschalis , Angel Perea , Marina Petri , S. Pietri , Ralf Plag , A. Prochazka , Md. Anisur Rahaman , Ganna Rastrepina , Rene Reifarth , Guillermo Ribeiro , M. Valentina Ricciardi , Catherine Rigollet , Karsten Riisager , Dominic Rossi , Jose Sanchez del Rio Saez , Deniz Savran , Heiko Scheit , Haik Simon , Olivier Sorlin , V. Stoica , Branislav Streicher , Jon Taylor , Olof Tengblad , Satoru Terashima , Ronja Thies , Yasuhiro Togano , Ethan Uberseder , J. Van de Walle , Paulo Velho , Vasily Volkov , Andreas Wagner , Felix Wamers , Helmut Weick , Mario Weigand , Carl Wheldon , G. Wilson , Christine Wimmer , J. S. Winfield , Philip Woods , Dmitry Yakorev , Mikhail Zhukov , Andreas Zilges , Kai Zuber

Comparing the capture cross sections calculated without the breakup effect and experimental complete fusion cross sections, the breakup was analyzed in reactions with weakly bound projectiles $^{6,7,9}$Li, $^{9,11}$Be, and $^{6,8}$He. A…

Nuclear Theory · Physics 2015-06-12 V. V. Sargsyan , G. G. Adamian , N. V. Antonenko , W. Scheid , H. Q. Zhang

Finite nuclei such as those found in the chain of even tin isotopes from ^{102}Sn to ^{130}Sn, exhibit a near constancy of the 2^+_1-0^+_1 excitation energy, a constancy which can be related to strong pairing correlations and the near…

Nuclear Theory · Physics 2007-05-23 Oe. Elgaroey , T. Engeland , M. Hjorth-Jensen , E. Osnes

Neutrino--antineutrino ($\nu\bar\nu$) pair production is one of the main processes responsible for the energy loss of stars. Apart from the collision of two ($\gamma\gamma\to\nu\bar\nu$) or three ($\gamma\gamma\gamma\to\nu\bar\nu$) real…

High Energy Physics - Phenomenology · Physics 2023-08-29 Naser Ahmadiniaz , Rashid Shaisultanov , Ralf Schützhold

In this paper we continue the investigation of the lattice gas model. The main improvement is that we use two strengths for bonds: one between like particles and another between unlike particle to implement the isospin-dependence of nuclear…

Nuclear Theory · Physics 2008-11-26 J. Pan , S. Das Gupta

We propose a theoretical/computational protocol based on the use of the Ground State (GS) Path Integral (PI) Quantum Monte Carlo (QMC) for the calculation of the kinetic and Coulomb energy density for a system of $N$ interacting electrons…

Statistical Mechanics · Physics 2012-05-31 Luigi Delle Site , Luca M. Ghiringhelli , David Ceperley

Density functionals with a range-separated treatment of the exchange energy are known to improve upon their semilocal forerunners and fixed-fraction hybrids. The conversion of a given semilocal functional into its short-range analog is not…

Chemical Physics · Physics 2019-09-09 Dimitri N. Laikov

Purpose: We aim to investigate the role of a few neutron transfer channels on the dynamics of fusion reactions around the Coulomb barrier by judicially selecting 11 different $^{28,30}$Si-induced systems. These reactions are chosen in such…

Nuclear Theory · Physics 2024-09-06 Rinku Prajapat

The electron-electron pair distribution functions (PDF) of the 2-D electron fluid (2DEF) in the quantum regime (at T=0) are calculated using a classical-map-hyper-netted-chain (CHNC) scheme and compared with currently available Quantum…

Materials Science · Physics 2010-10-26 M. W. C. Dharma-wardana

We lay out the extension of range-separated density-functional theory to a four-component relativistic frame-work using a Dirac-Coulomb-Breit Hamiltonian in the no-pair approximation. This formalism combines a wave-function method for the…

Chemical Physics · Physics 2018-12-12 Julien Paquier , Julien Toulouse

Tunneling characteristics of a two-dimensional lateral tunnel junction (2DLTJ) are reported. A pseudogap on the order of Coulomb energy is detected in the tunneling density of states (TDOS) when two identical two-dimensional electron…

Mesoscale and Nanoscale Physics · Physics 2011-01-31 P. Jiang , I. Yang , W. Kang , L. N. Pfeiffer , K. W. Baldwin , K. W. West

We have done systematic Hartree-Fock-Bogoliubov calculations in coordinate space on the one-quasi-particle energies and binding energy odd-even staggering (OES) in semi-magic nuclei with the zero-range volume, mixed and surface pairing…

Nuclear Theory · Physics 2016-05-31 S. A. Changizi , Chong Qi

Despite the supposed simplicity of double-closed shell nuclei, conventional coupled-channels calculations, that include all of the known collective states of the target and projectile, give a poor fit to the fusion cross section for the…

Nuclear Theory · Physics 2015-06-04 S. Yusa , K. Hagino , N. Rowley

Although the energies associated with nuclear reactions are due primarily to interactions involving nuclear forces, the rates and probabilities associated with those reactions are effectively governed by electromagnetic forces. Charges in…

Plasma Physics · Physics 2020-11-12 A. Y. Wong , J. Z. Chen , M. J. Guffey , A. Gunn , B. Mei , C. C. Shih , Q. Wang , Y. Zhang

The non-linear response of a beam splitter to the coincident arrival of interacting particles enables numerous applications in quantum engineering and metrology yet poses considerable challenge to achieve focused interactions on the…

We study the relationship between universal effects and the Coulomb interaction. Here, we present our approach and a first illustrative example. Understanding the relationship of universality and the Coulomb interaction is important for…

Nuclear Theory · Physics 2018-12-06 C. H. Schmickler