


Vol 166, No 5 (2024)
ATOMS, MOLECULES, OPTICS
OTsENKA VLIYaNIYa PRIBLIZhENIYa VRAShchAYuShchEYSYa VOLNY NA SPEKTRY POLYaRIZATsII DVUKhUROVNEVOY SISTEMY V POLIKhROMATIChESKOM POLE
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O VLIYaNII KhARAKTERISTIK ELEKTRONNOGO PUChKA NA IZLUChENIE GARMONIK ODNOPROKhODNYKh LAZEROV NA SVOBODNYKh ELEKTRONAKh
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RASChET EFFEKTIVNOY DIELEKTRIChESKOY PRONITsAEMOSTI KOMPOZITNOGO MATERIALA, SODERZhAShchEGO NAPOLNITEL' S OTRITsATEL'NOY DIELEKTRIChESKOY PRONITsAEMOST'Yu
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POISK SVYaZANNYKh SOSTOYaNIY ODNOMERNOY KVANTOVOY SISTEMY STEPENNYM METODOM: PRAKTIChESKAYa REALIZATsIYa
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NUCLEI, PARTICLES, FIELDS, GRAVITY AND ASTROPHYSICS
NAGREV MOLEKULYaRNOGO OBLAKA PERVIChNOY ChERNOY DYROY
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PRETsIZIONNOE IZMERENIE GRAVITATsIONNOGO SMEShchENIYa ChASTOTY ELEKTROMAGNITNYKh SIGNALOV
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SOLIDS AND LIQUIDS
FIZIChESKIE SVOYSTVA DIBORIDA TsIRKONIYa PRI TEMPERATURE 2500–5000K
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ORDER, DISORDER AND PHASE TRANSITIONS IN CONDENSED MATTER
SPEKTRY REZONANSNOY MAGNITOPLASTIChNOSTI V KRISTALLAKh NaCl(Ca + Ni)
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FAZOVYY PEREKhOD I KROSSOVERY NA KAIRSKOY REShETKE DIPOLEY IZINGA
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URAVNENIE EVOLYuTsII ELEKTRIChESKOY POLYaRIZATsII MUL'TIFERROIKOV, PROPORTsIONAL'NOY VEKTORNOMU PROIZVEDENIYu SPINOV IONOV YaChEYKI, POD VLIYaNIEM GAMIL'TONIANA GEYZENBERGA
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SPEKTROSKOPIYa ANDREEVSKOGO OTRAZhENIYa FeSe: ANALIZ V RAMKAKh DVUKhZONNOY MODELI
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FRACTIONAL A. C. JOSEPHSON EFFECT AS EVIDENCE OF TOPOLOGICAL HINGE STATES INADIRAC SEMIMETAL NiTe2
Abstract
We experimentally investigate Josephson current between two 5 µm spaced superconducting indium leads,coupled to a NiTe2single crystal flake, which is a type-II Dirac semimetal. Under microwave irradiation, wedemonstrate a. c. Josephson effect at millikelvin temperatures as a number of Shapiro steps. In addition to theinteger (n= 1,2,3,4, ...) steps, we observe fractional ones at half-integer values n= 1/2,3/2,5/2and 7/2,which corresponds to πperiodicity of current-phase relationship. In contrast to previous investigations, we donot observe 4πperiodicity (disappearance of the odd n= 1,3,5, ... Shapiro steps), while the latter is usuallyconsidered as a fingerprint of helical surface states in Dirac semimetals and topological insulators. We argue,that our experiment confirms Josephson current through the topological hinge states in NiTe2: since one canexclude bulk supercurrent in 5 µm long Josephson junctions, interference of the hinge modes is responsible forthe πperiodicity, while stable odd Shapiro steps reflect chiral character of the topological hinge states.



ELECTRONIC PROPERTIES OF SOLIDS
IZMENENIE SVOYSTV Hf0.5Zr0.5O2 PRI TsIKLIChESKOY PEREPOLYaRIZATsII SEGNETOELEKTRIChESKIKh KONDENSATOROV S RAZNYMI MATERIALAMI ELEKTRODOV
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DIELEKTRIChESKAYa ELEKTRONNO-DYROChNAYa ZhIDKOST' V MONOSLOYNYKh GETEROSTRUKTURAKh NA OSNOVE DIKhAL'KOGENIDOV PEREKhODNYKh METALLOV
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STATISTICAL AND NONLINEAR PHYSICS, PHYSICS OF "SOFT" MATTER
RAVNOVESIYa I PROTsESSY V DISSOTsIIROVANNOM VOZDUKhE
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NIZKOPOROGOVYY RASPAD OBYKNOVENNOY SVCh-VOLNY V PRISUTSTVII KRUPNOMASShTABNYKh KOGERENTNYKh STRUKTUR V RAZREZhENNOY PLAZME
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OSOBENNOSTI RABOTY PROVOLOChNYKh Kh-PINChEY NAKOMPAKTNOMSIL'NOTOChNOMGENERATOREKING
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