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S-Quasi-symmetry

1981
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Discrete Mathematics
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The following theorem is the key to our chxacterization of a'-

doi:10.1016/0012-365x(81)90018-2
fatcat:kpgr3isk4va2vhfikt5vss7bqu
*quasi*-*symmetry*. Thewean 3.9. ... Hence in what tallows we are only interested in designs with k*s*&l. The followin sequence of propositions will help to eliminate many special cases when we attempt tu characterize*s*-*quasi*-*symmetry*. ...##
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Some mathematics for quasi-symmetry
[article]

2019
*
arXiv
*
pre-print

*Quasi*-

*symmetry*of a steady magnetic field means integrability of first-order guiding-centre motion. Here we derive many restrictions on the possibilities for a

*quasi*-

*symmetry*. ... We also derive an analogue of the Grad-Shafranov equation for the flux function in a

*quasi*-symmetric magnetohydrostatic field. ... We also want to thank Miles Wheeler for helpful suggestions about existence of solutions of the

*quasi*-symmetric GS equation. ...

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Symmetry dependence of localization in quasi-one-dimensional disordered wires

2000
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Physical Review B (Condensed Matter)
*

The crossover in energy level statistics of a

doi:10.1103/physrevb.62.r13282
fatcat:drrnerlxtrarjfkxkkz6gezmaa
*quasi*-1-dimensional disordered wire as a function of its length L is used, in order to derive its averaged localization length, without magnetic field, in ... analytical function of the magnetic field for the local level spacing is obtained, and found to be in excellent agreement with the magnetic field dependent activation energy, recently measured in low-mobility*quasi*-one-dimensional ... The integral over the crossection*S*of the wire is done, giving y 2 . ...##
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Impact of inversion symmetry on a quasi-one-dimensional S = 1 system

2020
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Journal of Physics: Condensed Matter
*

Here, we report the synthesis and magnetic properties of a novel, centrosymmetric,

doi:10.1088/1361-648x/ab7134
pmid:31997776
fatcat:iw3lvsioq5bedh42nh2ndskmgm
*quasi*-1D spin chain system La3VWS3O6, with hexagonal crystal structure (P63/m, a = 9.460 76(3), c = 5.518 09(2) Å). ... X-ray powder diffraction, specific heat, magnetization, 139La-nuclear magnetic resonance (NMR), and electric resistivity measurements indicate that the compound is a low dimensional magnet with an*S*= ... magnetic systems are usually*quasi*2D or 3D. ...##
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Quasi-Galois symmetries of the modularS-matrix

1996
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Communications in Mathematical Physics
*

In addition,

doi:10.1007/bf02099557
fatcat:uutqm6wrjjdsde2ci56hhcsnty
*quasi*-Galois*symmetries*allow to construct modular invariants and to relate*S*-matrices as well as modular invariants at different levels. ... The recently introduced Galois*symmetries*of RCFT are generalized, for the WZW case, to '*quasi*-Galois*symmetries*'. ... Note that the*quasi*-Galois*symmetries*imply that (5.24) commutes with*S*and T 2, while the step from (5.24) to (5.29) does not follow from any*symmetry*we know. ...##
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Glide symmetry breaking and Ising criticality in the quasi-1D magnet CoNb_2O_6
[article]

2020
*
arXiv
*
pre-print

We construct a microscopic spin-exchange Hamiltonian for the

arXiv:2004.04169v1
fatcat:h6ddw264wjdm7k645tppzyljwy
*quasi*-1D Ising magnet CoNb_2O_6 that captures detailed and hitherto-unexplained aspects of its dynamic spin structure factor. ... We perform a*symmetry*analysis that recalls that an individual Ising chain in this material is buckled, with two sites in each unit cell related by a glide*symmetry*. ... SUPPLEMENTARY INFORMATION FOR "GLIDE*SYMMETRY*BREAKING AND ISING CRITICALITY IN THE*QUASI*-1D MAGNET CONB2O6" Dispersion of the 2-DW spectra in perturbation theory for different terms In this appendix we ...##
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A flavor symmetry for quasi-degenerate neutrinos: $L_\mu - L_\tau$

2005
*
European Physical Journal C: Particles and Fields
*

The most general neutrino mass matrix conserving L_mu - L_tau predicts

doi:10.1140/epjc/s2005-02133-1
fatcat:5b2ux72cavfvpnlnk2mxcu7b3i
*quasi*-degenerate neutrino masses with one maximal and two zero mixing angles. ... We consider the flavor*symmetry*L_mu - L_tau for the neutrino mass matrix. ... The plots are for the inverted mass ordering, the corresponding figure for the normal ordering looks basically identical. 13 −*s*12 c 1312 23 − c 12*s*23*s*13 c 12 c 23 −*s*12*s*23*s*13*s*23 c 13*s*12*s*...##
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Some mathematics for quasi-symmetry

2020
*
Journal of Mathematical Physics
*

If u is a

doi:10.1063/1.5142487
fatcat:pkh3dsoswbf33foqtcwt2g32fq
*quasi*-*symmetry*for B, ψ is global,*S*is a bounded regular component of a level set of ψ (flux surface), and*S*contains a regular component T of a joint level set of either i. ... We see no incompatibility between this and*quasi*-*symmetry*, but it depends on there being some non-axisymmetric*quasi*-*symmetries*.*Quasi*-*symmetry*may be too strong an ideal to aim for. ... The conditions for*quasi*-*symmetry*are unchanged. ...##
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Midgap edge states and pairing symmetry of quasi-one-dimensional organic superconductors

2001
*
Physical Review B (Condensed Matter)
*

The singlet

doi:10.1103/physrevb.63.144531
fatcat:cql7rsu5unfvjnuhf3ng6vfxrq
*s*-, d- and triplet p-wave pairing*symmetries*in*quasi*-one-dimensional organic superconductors can be experimentally discriminated by probing the Andreev bound states at the sample edges. ... So the pairing*symmetry*in the Bechgaard salts remains hotly debated. In this paper, we propose a phase-sensitive method to distinguish experimentally between the*s*-, p-, and d-wave*symmetries*. ... At the interface, we impose the boundary conditions Ψ N = Ψ*S*andv N Ψ N =v*S*Ψ*S*+ 2iHΨ N [32] , wherev N,*S*are the components of the velocity operators perpendicular to the interface in metal and superconductor ...##
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Symmetry and reciprocity constraints on diffraction by gratings of quasi-planar particles

2009
*
Journal of Optics. A, Pure and applied optics
*

*Symmetry*and reciprocity constraints on polarization state of the field diffracted by gratings of

*quasi*-planar particles are considered. ... It is shown that the optical activity effects observed recently in arrays of

*quasi*-planar plasmonic particles on a dielectric substrate are due to the reflection of the field at the air-dielectric slab ... Adding a dielectric substrate breaks mirror

*symmetry*of a

*quasi*-planar array and makes optical activity possible, as we have shown in the previous section. ...

##
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Quasi-Orthogonality of Some Hypergeometric and q-Hypergeometric Polynomials

2018
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Symmetry, Integrability and Geometry: Methods and Applications
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We use an algorithmic approach to find these linear combinations for each family applicable and these equations are used to prove

doi:10.3842/sigma.2018.051
fatcat:wg4vtfvsc5ayfboyhzgg2cqpwm
*quasi*-orthogonality of order k. ... We show how to obtain linear combinations of polynomials in an orthogonal sequence {P_n}_n≥ 0, such as Q_n,k(x)=∑_i=0^k a_n,iP_n-i(x), a_n,0a_n,k≠0, that characterize*quasi*-orthogonal polynomials of order ... n + 2)*S*(n + 1)P n,2k (x) + a n (b n + b n+1 )*S*(n + 1)*S*(n)P n−1,2k (x) 2 Classical orthogonal polynomials on a q-linear lattice In this section we consider the*quasi*-orthogonality of sequences of monic ...##
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Magnetotunneling spectroscopy as a probe for pairing symmetry determination in quasi-two-dimensional anisotropic superconductors

2002
*
Physical Review B (Condensed Matter)
*

As a probe to determine the pairing

doi:10.1103/physrevb.66.174502
fatcat:oznux4is3zgjbnfjijpqg4whum
*symmetry*of*quasi*-two-dimensional anisotropic superconductors, we propose tunneling spectroscopy in the presence of magnetic field, where the magnetic field is parallel ...*symmetry*. ... The tunneling conductance spectrum at zero-energy is then given at low temperatures by the normalized SDOS 4 , ρ(θ) = ∞ −∞ dωρ*S*(ω)sech 2 ω 2k B T ∞ −∞ dωρ N (ω)sech 2 ω − t 2k B T , (8) ρ*S*(ω) = 1 2 ...##
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Determination of pairing symmetry from magnetotunneling spectroscopy: A case study for quasi-one-dimensional organic superconductors

2002
*
Physical Review B (Condensed Matter)
*

The shape of the Fermi surface (

doi:10.1103/physrevb.66.094507
fatcat:uxj2rh7ouzhhzklccd4kmd7jry
*quasi*-one-dimensional in this example) affects sensitively the pairing*symmetry*, which in turn affects the shape (U or V) of the gap along with the presence/absence of the ... Yet, an application of a magnetic field enables us to identify the*symmetry*, which is interpreted as an effect of the Doppler shift in Andreev bound states. ... 4) ρ*S*(ω) = k b ,ν |u ν 1 | 2 δ(ω − E ν ) + |v ν 1 | 2 δ(ω + E ν ) . (5) Here ρ*S*(ω) denotes the surface density of states for the superconducting state while ρ N (ω) the bulk density of states in the ...##
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Interplay between the extended s-wave symmetry of the gap and the spin-orbit coupling in the low-electron concentration regime of quasi-two-dimensional superconductors
[article]

2022
*
arXiv
*
pre-print

We show that the extended

arXiv:2205.03632v1
fatcat:acyd2iskdfbl5gereop2fvvhju
*s*-wave pairing*symmetry*is the most probable scenario to appear in the low-electron concentration regime. ... In such situation, due to the C_4*symmetry*breaking, a small d-wave and p-wave contributions to the pairing appear, which significantly change the character of the FFLO state. ... This effect may be potentially useful in the search of*quasi*-two dimensional superconductors with higher T c '*s*. ...##
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Periodic, Quasi-Periodic, and Chaotic Motions to Diagnose a Crack on a Horizontally Supported Nonlinear Rotor System

2020
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Symmetry
*

that the cracked system whirling motion is subjected to a continuous qualitative change as the crack size increases for the superharmonic resonance case, where the system can exhibit period-1, period-2,

doi:10.3390/sym12122059
fatcat:bfuz5c4wgbdw5hze4xm7pvoek4
*quasi*-periodic ...*Symmetry*2020, 12, x FOR PEER REVIEW 10 of 22 0.39 < λ ≤ 0.422 the system executes period-3 motion, but for 0.422 < λ ≤ 0. 45 the system exhibits a*quasi*-periodic motion again. ... (a) (b) (c) (d) (a) (b) (c) (d) (e) (f)*Symmetry*2020, 12, x FOR PEER REVIEW 8 of 22 (g) (h) (i) (j) (k) (l) (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l)*Symmetry*2020, 12, x FOR PEER REVIEW 9 of 22 ...
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