Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Wilhelm, Patrick"'
Motivated by recent experiments on twisted van der Waals materials, we perform an analytical and numerical study of the effects of strong on-site and short-range interactions in fractionally filled ideal Chern bands. We uncover an extensive non-trivi
Externí odkaz:
http://arxiv.org/abs/2406.09505
Publikováno v:
Phys. Rev. B 110, 165124 (2024)
We study a model of spinless fermions on the honeycomb lattice with nearest-neighbor exclusion and extended repulsive interactions that exhibits `lattice supersymmetry' [P. Fendley, K. Schoutens, and J. de Boer, Phys. Rev. Lett. 90, 120402 (2003)]. U
Externí odkaz:
http://arxiv.org/abs/2307.13031
We show that Hubbard models with nearest-neighbor hopping and a nearest-neighbor hardcore constraint exhibit `maximal' Hilbert space fragmentation in many lattices of arbitrary dimension $d$. Focusing on the $d=1$ rhombus chain and the $d=2$ Lieb lat
Externí odkaz:
http://arxiv.org/abs/2304.02669
Autor:
Paul, Daniel, Grieser, Manfred, Grussie, Florian, von Hahn, Robert, Isberner, Leonard W., Kálosi, Ábel, Krantz, Claude, Kreckel, Holger, Müll, Damian, Neufeld, David A., Savin, Daniel W., Schippers, Stefan, Wilhelm, Patrick, Wolf, Andreas, Wolfire, Mark G., Novotný, Oldřich
Observations of CH$^+$ are used to trace the physical properties of diffuse clouds, but this requires an accurate understanding of the underlying CH$^+$ chemistry. Until this work, the most uncertain reaction in that chemistry was dissociative recomb
Externí odkaz:
http://arxiv.org/abs/2208.14927
Publikováno v:
SciPost Phys. 14, 040 (2023)
Twisted double- and mono-bilayer graphene are graphene-based moir\'e materials hosting strongly correlated fermions in a gate-tunable conduction band with a topologically non-trivial character. Using unbiased exact diagonalization complemented by unr
Externí odkaz:
http://arxiv.org/abs/2204.05317
Autor:
Kálosi, Ábel, Grieser, Manfred, von Hahn, Robert, Hechtfischer, Ulrich, Krantz, Claude, Kreckel, Holger, Müll, Damian, Paul, Daniel, Savin, Daniel Wolf, Wilhelm, Patrick, Wolf, Andreas, Novotný, Oldřich
We present state-selected measurements of rotational cooling and excitation rates of CH$^+$ molecular ions by inelastic electron collisions. The experiments are carried out at the Cryogenic Storage Ring, making use of a monoenergetic electron beam at
Externí odkaz:
http://arxiv.org/abs/2203.17124
Publikováno v:
Phys. Rev. B 103, 125406 (2021)
We perform an extensive exact diagonalization study of interaction driven insulators in spin- and valley-polarized moir\'{e} flat bands of twisted bilayer graphene aligned with its hexagonal boron nitride substrate. In addition to previously reported
Externí odkaz:
http://arxiv.org/abs/2012.09829
Autor:
von Hahn, Robert, Becker, Arno, Berg, Felix, Blaum, Klaus, Breitenfeldt, Christian, Fadil, Hisham, Fellenberger, Florian, Froese, Michael, George, Sebastian, Göck, Jürgen, Grieser, Manfred, Grussie, Florian, Guerin, Elisabeth A., Heber, Oded, Herwig, Philipp, Karthein, Jonas, Krantz, Claude, Kreckel, Holger, Lange, Michael, Laux, Felix, Lohmann, Svenja, Menk, Sebastian, Meyer, Christian, Mishra, Preeti M., Novotný, Oldřich, Connor, Aodh P. O, Orlov, Dmitry A., Rappaport, Michael L., Repnow, Roland, Saurabh, Sunny, Schippers, Stefan, Schröter, Claus Dieter, Schwalm, Dirk, Schweikhard, Lutz, Sieber, Thomas, Shornikov, Andrey, Spruck, Kaija, Kumar, Sudhakaran Sunil, Ullrich, Joachim, Urbain, Xavier, Vogel, Stephen, Wilhelm, Patrick, Wolf, Andreas, Zajfman, Daniel
An electrostatic cryogenic storage ring, CSR, for beams of anions and cations with up to 300 keV kinetic energy per unit charge has been designed, constructed and put into operation. With a circumference of 35 m, the ion-beam vacuum chambers and all
Externí odkaz:
http://arxiv.org/abs/1606.01525
Autor:
Jain, Naman, Kálosi, Ábel, Nuesslein, Felix, Paul, Daniel, Wilhelm, Patrick, Ard, Shaun G., Grieser, Manfred, von Hahn, Robert, Heaven, Michael C., Miliordos, Evangelos, Maffucci, Dominique, Shuman, Nicholas S., Viggiano, Albert A., Wolf, Andreas, Novotný, Oldřich
Publikováno v:
Journal of Chemical Physics; 4/14/2023, Vol. 158 Issue 14, p1-23, 23p
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