Magnon bound states

Author: nhbd

August undefined, 2024

Web28 mei 2013 · Here we report on the direct observation of two-magnon bound states using in-situ correlation measurements in a one-dimensional Heisenberg spin chain realized … Web9 nov. 2024 · Wulferding, D. et al. Magnon bound states versus anyonic Majorana excitations in the Kitaev honeycomb magnet α-RuCl 3. Nat. Commun. 11, 1603 (2024).

Two-Magnon Bound States in the Heisenberg Ferromagnet with …

Web17 jun. 2024 · Quantum mechanically, such a state can be understood as a result of condensation of bound magnon pairs. The presence of such an exotic state is theoretically proposed in various spin systems, including frustrated ferromagnets Chubukov ( 1991 ); Shannon et al. ( 2006 ); Momoi et al. ( 2012 ) and the one-dimensional S = 1 / 2 zigzag … polyhedron prism

Possible observation of quantum spin-nematic phase …

Web1 dec. 2016 · It has to be mentioned that the magnon-bound-state hierarchy is relevant to the glueball spectrum (screening masses) for the gauge field theory (Svetitsky–Yaffe conjecture) [15], [16], [17]. Actually, we show that in the next section, the bound-state hierarchy m 2 , 3 , 4 bears a resemblance to the glueball spectrum for the Z 2 -symmetric … Web17 dec. 1990 · The single-soliton and two-soliton bound-state solutions are given. The results show that the magnon localization and two-magnon bound state are possible in … Web24 mei 2024 · The magnon peak emerges from the 1P continuum in the magnetic Raman scattering, can be regarded as the bound state of the spinon–antispinon excitations. As schematically summarized in Fig. 1,... polyhedron properties

Two-magnon bound states in the Kitaev model in a [111] field

A simple derivation of the three magnon bound state equation

Web1 jan. 1976 · The magnon bound states consist of several overturned spins travelling together in an otherwise aligned spin assembly. In the linear chain of spin-1/2 particles with the Hamiltonian (1) H =− J ∑ i = 1 N S → i ⋅ S → i + 1 (J > 0, N + 1 ≡ 1) their eigenvalues ɛ B r are (2) ɛ B r = 1 r J (1 − cos K), K being the centre-of-mass ... Web30 mrt. 2024 · This bound state is formed via a spectral transfer from the fractionalized continuum through an isosbestic point around 8.75 meV, and does not smoothly connect … shani bensman-correa psydWeb15 nov. 2024 · Recently, bound states of elementary spin waves (magnons) in quantum magnets have been experimentally observed in quantum Heisenberg chains comprising … polyhedron rhino

"Web25 sep. 2013 · Bound states of elementary spin waves (magnons) have been predicted to occur in one-dimensional quantum magnets; the observation of two-magnon bound states in a system of ultracold bosonic atoms ... " - Magnon bound states

Magnon bound states

WebThe bound state problems associated with two magnons in a linear chain of spin 1/2 with nearest and next nearest neighbor exchange integrals, J and α J , respectively, are studied. The Hamiltonian is rewritten in terms of the Fermi operators in place of spin operators, and an integral equation to determine the bound state energies is obtained. In the cases … Web5 mei 2024 · We find that the energy to create a bound state of two-magnon Δ p becomes lower than the energy to create a single spin flip Δ s near H c 2. In the entire Kitaev spin …

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Web17 sep. 2024 · Magnon excitations play an important role in understanding quantum magnetism and magnon bound states observed with ultracold atoms in optical lattices. Here, we investigate how gradient magnetic field and periodically modulated spin-exchange strength affect the two-magnon excitations. Web27 mrt. 2024 · While the two-magnon bound state exists only in the magnetically ordered phase of this material, the three-magnon state persists in a finite temperature regime above , indicating an unconventional character. Our results establish as an experimental platform for the study of exchange anisotropy-stabilized bound states in a ferromagnetic chain.

Web27 nov. 2000 · It is defined as the probability to measure a given state ψ〉 of momentum K and energy E in a bound state configuration corresponding to the two magnons being nearest neighbors. These bound... Web28 feb. 2024 · These excitations are superpositions of dipolar magnons and quadrupolar two-magnon bound states. As a result of their topology, such quantum ferromagnets …

Web3 okt. 2013 · The existence of bound states of elementary spin waves (magnons) in one-dimensional quantum magnets was predicted almost 80 years ago. Identifying signatures of magnon bound states has so far remained the subject of intense theoretical research, and their detection has proved challenging for experiments. WebKeywords. Three magnon bound state equation; Faddeev's Theory. 1. Introduction The old problem of spin-wave interactions for the Heisenberg Hamiltonian =-½3 2: Sl. Si+5 i,5 (1) (i denotes the lattice sites; 3 joins a site to its nearest neighbours) still retains some inter.est.

Web5 mei 2024 · We find that the energy to create a bound state of two-magnon Δp becomes lower than the energy to create a single spin flip Δs near Hc2. In the entire Kitaev spin liquid, Δp

WebThe recent observation of two-, three-, four-, and five-magnon bound states in the linear chains of Co Cl2 ·2 H2 O has prompted a theoretical examination of such states in an … polyhedron rpgWeb8 dec. 2024 · The two-magnon single-ion bound states occur due to strong anisotropy and the preponderance of even higher order excitations arises from the tendency of the … polyhedrons crossword clueWeb9 mei 2024 · In these systems, the magnon excitations of the high-field saturated state form a bound pair on the bond of J1(effective spin-1 state), which then undergo Bose–Einstein condensation (BEC), much like … polyhedrons crosswordWeb17 sep. 2024 · The magnon–magnon correlations clearly show that, aside from NN and NNN bound states, the bound states with relative distance at three and four sites … polyhedron rectangular prismWebWe investigate the relation between magnon, magnon bound states, and the classical soliton solutions in the isotropic, the anisotropic-exchange, and the easy-axis … shani berries benefits health benefitsWeb3 okt. 2013 · The existence of bound states of elementary spin waves (magnons) in one-dimensional quantum magnets was predicted almost 80 years ago. Identifying … polyhedron pyramidWebSolitons and magnon bound states in ferromagnetic Heisenberg chains - NASA/ADS We investigate the relation between magnon, magnon bound states, and the classical soliton solutions in the isotropic, the anisotropic-exchange, and the easy-axis ferromagnetic Heisenberg chains. shani biotechnologies llc