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Haut PDF Topological phases and Majorana fermions

Haut PDF Topological phases and Majorana fermions ont été compilés par 123dok FR

Topological phases and Majorana fermions

Topological phases and Majorana fermions

... diff´erentes phases de la mati`ere est l’un des principaux objectifs de la ...diff´erentes phases et des transitions de l’une ` a l’autre revˆetent une importance fondamentale pour comprendre notre ...les ... Voir le document complet

253

Topological Phases and Majorana Fermions

Topological Phases and Majorana Fermions

... des fermions de ...de fermions de Majorana, Matveev a d´emontr´e un effet Kondo de charge[ 264 , 265 ] dans lequel deux ´etats de charge d´eg´en´er´es jouent le rˆ ole d’un spin 1/2 effectif et ... Voir le document complet

253

Majorana-Weyl crossings in topological multi-terminal junctions

Majorana-Weyl crossings in topological multi-terminal junctions

... T ab ∆, where T ab = 4π 2 ν 2 |T ab | 2  1 is the transmis- sion probability between leads a and b. Experimental realizations. The model studied above is applicable to junctions made with crossed nanowires like ... Voir le document complet

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Classification of symmetry-protected phases for interacting fermions in two dimensions

Classification of symmetry-protected phases for interacting fermions in two dimensions

... quantum phases [ 34 ...Different topological charges cannot be transformed into each other by applying local ...Fusion and braiding of the topological charges are described by the mathematical ... Voir le document complet

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Majorana fermions in finite-size strips in the presence of orbital effects: what is the Majorana polarization telling us?

Majorana fermions in finite-size strips in the presence of orbital effects: what is the Majorana polarization telling us?

... of Majorana bound states in a finite-size quasi-one- dimensional square-lattice strip with Rashba spin-orbit coupling, in the presence of a proximity- induced superconducting pairing and a magnetic field ... Voir le document complet

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Detecting Topological Phases in Cold Atoms

Detecting Topological Phases in Cold Atoms

... symmetry and satisfy jC 1 j ¼ f0; ...insulating phases given by the Hamiltonian ( 1 ...both fermions and bosons trapped in the 2D optical ... Voir le document complet

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Bulk boundary correspondence and the existence of Majorana bound states on the edges of 2D topological superconductors

Bulk boundary correspondence and the existence of Majorana bound states on the edges of 2D topological superconductors

... bulk topological index of an insulator or superconductor, and the number of topologically protected edge bands or ...For topological superconductors in two dimensions the first Chern number is ... Voir le document complet

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Colloquium: Zoo of quantum-topological phases of matter

Colloquium: Zoo of quantum-topological phases of matter

... the fermions are fractionalized topological excitations in bosonic ...example, Majorana fermions are local nontopological excitations in fermionic superconductors [with spin-orbital coupling ... Voir le document complet

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Fingerprints of Majorana fermions in current-correlation measurements from a superconducting tunnel microscope

Fingerprints of Majorana fermions in current-correlation measurements from a superconducting tunnel microscope

... a topological nanowire to the tip of a superconducting scanning tunnel microscope and identify fingerprints of a Majorana bound ...correlations) and an Andreev bound state (positive ... Voir le document complet

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Majorana Fermions in Honeycomb Lattices

Majorana Fermions in Honeycomb Lattices

... a topological nanowire, for which the Majorana physics has been extensively studied 13,14 ...of Majorana fermions in the anisotropic NR. We show that Majorana fermionic edge states can ... Voir le document complet

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Bound states of three fermions forming symmetry-protected topological phases

Bound states of three fermions forming symmetry-protected topological phases

... as topological insulators of certain fermions—not the free ones, but the bound states of three fermions (or some other odd number) which we refer to as ...efficiently and put them in a ... Voir le document complet

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Superfluidité dans un gaz de fermions ultrafroids

Superfluidité dans un gaz de fermions ultrafroids

... elastic and inelastic collisional properties near a p-wave Feshbach ...s-wave and p-wave scattering. We show in particular that, for elastic and inelastic scattering close to a p-wave Feshbach ... Voir le document complet

216

Manipulating Andreev and Majorana bound states with microwaves

Manipulating Andreev and Majorana bound states with microwaves

... states and their topological counter- parts, Majorana states, have seen considerable renewed interest springing from the possibility of using the lat- ter for topologically protected quantum ... Voir le document complet

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Geometric and Topological Inference

Geometric and Topological Inference

... issue and the importance of thick triangulations has been recognized since the early days of differential ...manifolds and, in particular, the reconstruction of submanifolds of high dimensional spaces as ... Voir le document complet

296

Supersymmetry and theory of heavy fermions

Supersymmetry and theory of heavy fermions

... scription, 3,4 it is to be noted that the formation of a disper- sionless bosonic band within the hybridization gap is an en- tirely new result of the theory. The relative weight of boson and fermion statistics ... Voir le document complet

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Algebra of Majorana Doubling

Algebra of Majorana Doubling

... Now let us revisit the approximation of keeping only the interactions of the Majorana modes from the separate wires. We can in fact, without difficulty, include any finite number of ‘‘ordinary’’ ... Voir le document complet

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Testing the formation of Majorana states using the Majorana polarization

Testing the formation of Majorana states using the Majorana polarization

... [18], and this is indeed the case, the topological regions predicted by the MP criterion (red in ...the topological regions predicted in ...entire topological phase is characterized now by C ≈ ... Voir le document complet

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Visualizing Majorana bound states in one and two dimensions using the generalized Majorana polarization

Visualizing Majorana bound states in one and two dimensions using the generalized Majorana polarization

... definition and apply it to a few examples, such as two- dimensional p + ip-wave Kitaev arrays, and a topological one-dimensional wire in the presence of various inhomo- ...sufficient and ... Voir le document complet

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Constructing symmetric topological phases of bosons in three dimensions via fermionic projective construction and dyon condensation

Constructing symmetric topological phases of bosons in three dimensions via fermionic projective construction and dyon condensation

... This fractional fundamental EM electric charge unit implies that the U1ZT2 -symmetric ground state constructed via condensing the dyon φc labeled by l,s = 1,3 in the mean-field Ansatz θ1[r] ... Voir le document complet

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Probing Majorana and Andreev bound states with waiting times

Probing Majorana and Andreev bound states with waiting times

... dominates and the Andreev reflection is spin selective [35] meaning that a hole with spin up is reflected as an electron with the same spin and a hole with spin down is normally reflected as a hole with ... Voir le document complet

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