• No results found

Mott insulator

Doping the holographic Mott insulator

Doping the holographic Mott insulator

... conventional Mott insulators, where below the Mott transition the spin order is governed by effective ‘super exchange’ interactions that are much smaller than the scale associated with the Mott ...

10

Haldane-Hubbard Mott Insulator: From Tetrahedral Spin Crystal to Chiral Spin Liquid

Haldane-Hubbard Mott Insulator: From Tetrahedral Spin Crystal to Chiral Spin Liquid

... Motivated by cold atom experiments on Chern insulators, we study the honeycomb lattice Haldane-Hubbard Mott insulator of spin-1/2 fermions using exact diagonalization and density matrix renormalization ...

7

Superfluid and Mott-insulator phases of one-dimensional Bose-Fermi mixtures

Superfluid and Mott-insulator phases of one-dimensional Bose-Fermi mixtures

... tor and Luttinger liquidlike behavior in the fermionic one. In the anticorrelated phase 共II兲 there is neither of the former behaviors, but the Fourier transform of the anticorrelated pairing Green function has a clear ...

8

Weitenberg, Christof
  

(2011):


	Single-Atom Resolved Imaging and Manipulation in an Atomic Mott Insulator.


Dissertation, LMU München: Fakultät für Physik

Weitenberg, Christof (2011): Single-Atom Resolved Imaging and Manipulation in an Atomic Mott Insulator. Dissertation, LMU München: Fakultät für Physik

... The scanning of the z molasses is mainly for washing out interferences with the stray light that originates from this beam. It seems that its scanning has little influ- ence on the wavefront at the position of the atoms ...

120

Enhanced nematic fluctuations near an antiferromagnetic Mott insulator and possible application to high-Tc cuprates

Enhanced nematic fluctuations near an antiferromagnetic Mott insulator and possible application to high-Tc cuprates

... Motivated by the widespread experimental observations of nematicity in strongly underdoped cuprate superconductors, we investigate the possibility of enhanced nematic fluctuations in the vicinity of a Mott ...

11

Thermal activation of the vortex Mott insulator to metal transition

Thermal activation of the vortex Mott insulator to metal transition

... a Mott Insulator [1]. In a Mott insulator, ordinary band structure would predict the material to be a metal, but the strong coulomb repulsion can localize the electrons to the lattice ...a ...

42

Size and symmetry of the superconducting gap in the f.c.c. Cs3C60 polymorph close to the metal-Mott insulator boundary

Size and symmetry of the superconducting gap in the f.c.c. Cs3C60 polymorph close to the metal-Mott insulator boundary

... here to the superconducting state is incomplete. The partial suppres- sion of the spin-lattice relaxation rates and the presence of two over- lapping NMR components are thus consistent with the presence of ...

5

Propagation of quantum correlations after a quench in the Mott-insulator regime of the Bose-Hubbard model

Propagation of quantum correlations after a quench in the Mott-insulator regime of the Bose-Hubbard model

... We study a quantum quench in the Bose-Hubbard model where the tunneling rate J is suddenly switched from zero to a finite value in the Mott regime. In order to solve the many-body quantum dynamics far from ...

14

Vanadium dioxide : a Peierls Mott insulator table against disorder

Vanadium dioxide : a Peierls Mott insulator table against disorder

... in two orbitals per V site, in turn generating a Mott instability which creates a pole in the local self-energy (Peierls-Mott). We note that the Peierls picture in our view involves more than one electron, ...

6

Fate of the Bose insulator in the limit of strong localization and low Cooper-pair density in ultrathin films

Fate of the Bose insulator in the limit of strong localization and low Cooper-pair density in ultrathin films

... Experimental results presented here probe films far from the SIT to determine the fate of the Bose insulator phase. Scenarios for this regime, where localization effects are strongest and the Cooper-pair density ...

6

Type-II Bose-Mott insulators

Type-II Bose-Mott insulators

... type-II Mott insulation behavior in underdoped cuprate superconductors, widely believed to be dominated by phase ...Bose-Mott insulator, and suggest several experimental setups that may verify the ...

14

A THEORETICAL STUDY OF BOSE GAS TRAPPED IN A 3D COMBINED HARMONIC-OPTICAL POTENTIAL AND AN EVALUATION OF EFFECTIVE SIZE AND EXPANSION ENERGY OF A BOSE-EINSTEIN CONDENSATE IN A 3D NON-CUBIC OPTICAL LATTICE

A THEORETICAL STUDY OF BOSE GAS TRAPPED IN A 3D COMBINED HARMONIC-OPTICAL POTENTIAL AND AN EVALUATION OF EFFECTIVE SIZE AND EXPANSION ENERGY OF A BOSE-EINSTEIN CONDENSATE IN A 3D NON-CUBIC OPTICAL LATTICE

... Trapped Bose gases in a combined harmonic-optical potential used as a prototype for strongly quantum phase transition. The condensed Bosons in an Optical potential offer a new opportunity to investigate the interplay ...

15

A THEORETICAL STUDY OF SUPER FLUID ? INSULATOR PHASE TRANSITION IN A GAS OF ULTRA COLD ATOMS AND EVALUATION OF ATOM DENSITY DISTRIBUTION AS A FUNCTION OF DISTANCE FROM THE CENTRE OF TRAP (R/A) USING BOSE-HUBBARD MODEL

A THEORETICAL STUDY OF SUPER FLUID ? INSULATOR PHASE TRANSITION IN A GAS OF ULTRA COLD ATOMS AND EVALUATION OF ATOM DENSITY DISTRIBUTION AS A FUNCTION OF DISTANCE FROM THE CENTRE OF TRAP (R/A) USING BOSE-HUBBARD MODEL

... Mott insulator phase will lead to excitations in the lower energy band in the super fluid case. These excitations are simply phase fluctuations between lattice sites. It also causes a broadening of the ...

12

Many body out of equilibrium dynamics of hard core lattice bosons with non local loss

Many body out of equilibrium dynamics of hard core lattice bosons with non local loss

... We explore the dynamics of hard-core lattice bosons in the presence of strong non-local particle loss. The evolution occurs on two distinct time-scales, first a rapid strongly correlated decay into a highly degenerate ...

8

Ultracold atoms in optical lattices

Ultracold atoms in optical lattices

... the Mott insulating region gets ...the Mott insulating ...the Mott insulator and the superfluid phases belongs to different universality classes depending on how you walk through the phase ...

13

Condensing Nielsen-Olesen strings and the vortex-boson duality in 3+1 and higher dimensions

Condensing Nielsen-Olesen strings and the vortex-boson duality in 3+1 and higher dimensions

... Bose–Mott insulator from the strong coupling ...the Mott side, the Mott physics takes over from the critical regime at the correlation length (or ...

24

Electric Stress Analysis on 11kv Insulator

Electric Stress Analysis on 11kv Insulator

... the insulator is to passes the conductor from one point to another point in network without any failures and it separates the charged body from grounded ...of insulator, will better the power system ...on ...

6

Assessing Partial Discharge on Composite Insulators Under Desert Pollution Conditions

Assessing Partial Discharge on Composite Insulators Under Desert Pollution Conditions

... rubber insulator hinders flashover under pollution because of its hydrophobic recovery or water repellent feature and its low free surface energy ...on insulator surface with some conductive contamination ...

8

CTCF: insights into insulator function during development

CTCF: insights into insulator function during development

... for insulator requirement and ...the insulator function at this site is ...downstream insulator contacts the insulator upstream of the Igf2 gene and ‘pulls’ the enhancer next to the Igf2 ...

13

Hügel, Dario Frank
  

(2018):


	Self-consistent methods for interacting lattice bosons with U(1)-symmetry-breaking.


Dissertation, LMU München: Fakultät für Physik

Hügel, Dario Frank (2018): Self-consistent methods for interacting lattice bosons with U(1)-symmetry-breaking. Dissertation, LMU München: Fakultät für Physik

... Im zweiten Teil entwickeln wir den reciprocal cluster mean-field (RCMF) Formalismus und wenden diesen auf das stark wechselwirkende Harper-Hofstadter-Mott Modell (HHMM) an. In RCMF wird das volle Gitter im ...

174

Show all 403 documents...

Related subjects