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topological charge

Lohse, Michael
  

(2018):


	Topological charge pumping with ultracold bosonic atoms in optical superlattices.


Dissertation, LMU München: Fakultät für Physik

Lohse, Michael (2018): Topological charge pumping with ultracold bosonic atoms in optical superlattices. Dissertation, LMU München: Fakultät für Physik

... of charge pumping experiments are prac- tical applications like current sources and experimental realizations are limited to rather small systems of up to a couple of ...exhibiting topological band ...

166

X-Ray Structure Analysis and Topological Charge Density Studies of Gossypol Derivatives

X-Ray Structure Analysis and Topological Charge Density Studies of Gossypol Derivatives

... Crystallography is by its very nature a rigorous study of the electron density itself and has proven as one the most accurate, authoritative, and veritable avenues in determining charge distributions. Since its ...

153

Exotic meson decays in the environment with chiral imbalance

Exotic meson decays in the environment with chiral imbalance

... quark charge is conserved in the presence of non-zero (metastable) topological ...average topological charge is non-zero, � ∆ T 5 � 0, then it may be associated with a topological ...

10

Orbital Angular Momentum Density of a Hollow Vortex Gaussian Beam

Orbital Angular Momentum Density of a Hollow Vortex Gaussian Beam

... the topological charge, the magnitude of the longitudinal component of the angular momentum density augments, which results in the overall orbital angular momentum also ...the topological ...

10

Correlations and screening of topological charges in Gaussian random fields

Correlations and screening of topological charges in Gaussian random fields

... Only zeros of fields linear in Gaussian random functions have been considered here, although the density of others may be calculated, for instance, in addition to nodal points, a two-dimensional Gaussian random complex ...

18

Instanton dominance over αs at low momenta from lattice QCD simulations at Nf = 0, Nf = 2 + 1 and Nf = 2 + 1 + 1

Instanton dominance over αs at low momenta from lattice QCD simulations at Nf = 0, Nf = 2 + 1 and Nf = 2 + 1 + 1

... the topological charge and the instanton contribution to the lattice gauge fields are hidden by the presence of short-range (UV) fluctuations and most studies reveal the presence of instantons only after ...

8

Chiral condensate and Dirac spectrum of one-and two-flavor QCD at nonzero θ-angle

Chiral condensate and Dirac spectrum of one-and two-flavor QCD at nonzero θ-angle

... crosses the imaginary axis, while the chiral condensate at fixed topological charge does change sign. From QCD at nonzero density we have learnt that the discontinuity of the chiral condensate may move to a ...

8

Instanton effects on CP-violating gluonic correlators

Instanton effects on CP-violating gluonic correlators

... winding number, the instanton solution is the classical solution of the SU(N) Yang-Mills action with topological charge Q. This solution is known as the BPST instanton solution at zero temperature, and HS ...

8

Orbital angular momentum transfer to optically levitated microparticles in vacuum

Orbital angular momentum transfer to optically levitated microparticles in vacuum

... beam topological charge via the angular momentum per photon ` ~ , the mean ring power P of the LG beam, the annular radius of the orbit r, as well as on the optical scattering properties of the par- ...

5

Topological Susceptibility in Nf = 2 QCD at Finite Temperature

Topological Susceptibility in Nf = 2 QCD at Finite Temperature

... the charge from “GL-DW” and that after the reweighting to the overlap ensemble ...the topological charge measured through the overlap index before (OV-DW) and after (OV-OV) the ...the ...

8

Disorder and the quantum Hall ferromagnet

Disorder and the quantum Hall ferromagnet

... The distinguishing feature of the quantum Hall ferromagnet is the identity between electrical and topological charge densities of a spin distortion. In addition to the wealth of physics associated with ...

5

Point defects, topological chirality, and singularity theory in cholesteric liquid crystal droplets

Point defects, topological chirality, and singularity theory in cholesteric liquid crystal droplets

... the topological charge, or degree ...a topological charge 1 − g and induce compensating point defects of the same total topo- logical charge in liquid crystal surrounding colloidal ...

19

Regular L fuzzy topological spaces and their topological  modifications

Regular L fuzzy topological spaces and their topological modifications

... 4. The topological modifications of L-regular spaces. The main topic of this paper requires the lattice L to carry a topology such that C(Y ,L) is an L-topology for every topological space Y . Among examples ...

9

Entropic manifestations of topological order in three dimensions

Entropic manifestations of topological order in three dimensions

... The configuration is a possible string-net in three dimensions, but not in two dimensions due to its cross- ings. Condition (5) is identically satisfied by the Walker- Wang models. It has been shown that the behaviour of ...

8

Brandt Extensions and Primitive Topological Inverse Semigroups

Brandt Extensions and Primitive Topological Inverse Semigroups

... a topological group G is called absolutely closed if G is a closed subgroup of any topological group which contains G as a ...such topological groups are called H-closed in the class of ...

13

Generalized Topological Molecular Lattices

Generalized Topological Molecular Lattices

... L-generalized topological spaces is said to be an L-genera- lized continuous mapping if and only if ∀ ∈ B µ , f ← ( ) B ∈ τ ...L-generalized topological spaces and their L-generalized continuous mappings is ...

8

On a-N-Topological Spaces Associated with Fuzzy Topological Spaces

On a-N-Topological Spaces Associated with Fuzzy Topological Spaces

... (N) where 0 1 and termed as –N–topological space. This provides gradation (fuzziness) in ordinary topological spaces. Our aspiration is to study and characterize α–compactness of Gantner et al. [4] and ...

12

A note on topological semigroup-groupoid

A note on topological semigroup-groupoid

... a topological semigroup X , the fundamental groupoid  1 X is a semigroup-groupoid and so we have a category denoted by SGpGpdCov/  1 X whose objects are semigroup-groupoid coverings p : G ~   1 X of  1 X and ...

10

THE NEW STATE OF MATTER - TOPOLOGICAL INSULATORS AND QUANTUM PHASE TRANSITION

THE NEW STATE OF MATTER - TOPOLOGICAL INSULATORS AND QUANTUM PHASE TRANSITION

... 2D topological insulator has a pair of 1D edge states crossing at momentum k = ...3D topological insulator, for which the surface state consists of a single 2D massless Dirac fermion and the dispersion ...

7

Induced Topological Phases at the Boundary of 3D Topological Superconductors

Induced Topological Phases at the Boundary of 3D Topological Superconductors

... 2D topological boundary is delocalised between two spatially separated surfaces ...the topological phase, together with relation (10), pro- vide a protection that is not present in the purely 2D system, as ...

6

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