Publications (67)
A comprehensive scenario of the single crystal growth and doping dependence of resistivity and anisotropic upper critical fields in (Ba$_{1-x}$K$_x$)Fe$_2$As$_2$ ($0.22 \leq x \leq 1$)
Y. Liu, M. A. Tanatar, W. E. Straszheim +6
Anisotropic criteria for the type of superconductivity
V. G. Kogan, R. Prozorov
Vortices in normal part of proximity system
V. G. Kogan
Determination of superconducting anisotropy from magnetization data on random powders as applied to LuNi$_2$B$_2$C, YNi$_2$B$_2$C and MgB$_2$
S. L. Bud'ko, V. G. Kogan, P. C. Canfield
London Penetration Depth and Pair Breaking
V. G. Kogan, R. Prozorov, V. Mishra
On the field dependence of the vortex core size
V. G. Kogan, N. V. Zhelezina
Angular-dependent upper critical field of overdoped Ba(Fe$_{1-x}$Ni$_x$)$_2$As$_2$
J. Murphy, M. A. Tanatar, D. Graf +5
London penetration depth and strong pair-breaking in iron-based superconductors
R. T. Gordon, H. Kim, M. A. Tanatar +2
Interaction of vortices in thin superconducting films and Berezinskii-Kosterlitz-Thouless transition
V. G. Kogan
Superfluid density in gapless superconductor CeCoIn5
V. G. Kogan, R. Prozorov, C. Petrovic
Dissipation in ultra-thin current-carrying superconducting bridges; evidence for quantum tunneling of Pearl vortices
F. Tafuri, J. R. Kirtley, D. Born +5
Interface energy of two band superconductors
Jani Geyer, Rafael M. Fernandes, V. G. Kogan +1
Pair-breaking in iron-pnictides
V. G. Kogan
Effects of La substitution on superconducting state of CeCoIn5
C. Petrovic, S. L. Bud'ko, V. G. Kogan +1
Macroscopic anisotropy in superconductors with anisotropic gaps
V. G. Kogan
Magnetic field induced orientation of superconducting MgB$_2$ crystallites determined by X-ray diffraction
J. Li, D. Vaknin, S. L. Bud'ko +5
Response to Comment by A. Bussmann-Holder (arXiv:0909.3603)
V. G. Kogan, C. Martin, R. Prozorov
Effect of equatorial line nodes on upper critical field and London penetration depth
V. G. Kogan, R. Prozorov
Elastic moduli of vortex lattices within nonlocal London model
P. Miranovic, V. G. Kogan
Direct measurement of single fluxoid dynamics in superconducting rings
J. R. Kirtley, C. C. Tsuei, H. Raffy +4
Interband coupling and transport interband scattering in $s_{\pm}$ superconductors
V. G. Kogan, R. Prozorov
Anisotropy of the Optimally-Doped Iron Pnictide Superconductor Ba(Fe0.926Co0.074)2As2
M. A. Tanatar, N. Ni, C. Martin +7
Free energy and torque for superconductors with different anisotropies of H_{c2} and lambda
V. G. Kogan
Meissner response of superconductors with inhomogeneous penetration depths
V. G. Kogan, J. R. Kirtley
Elastic contribution to interaction of vortices in uniaxial superconductors
V. G. Kogan
Field evolution of vortex lattice in LuNi_2B_2C seen by decoration in fields up to 1.5 kOe
L. Ya. Vinnikov, T. L. Barkov, P. C. Canfield +2
Nature of 45 degree vortex lattice reorientation in tetragonal superconductors
A. Knigavko, V. G. Kogan, B. Rosenstein +1
Magnetic field of Josephson vortices outside superconductors
V. G. Kogan, V. V. Dobrovitski
Doping evolution of the absolute value of the London penetration depth and superfluid density in single crystals of Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$
R. T. Gordon, H. Kim, N. Salovich +8
Penetration depth anisotropy in two-band superconductors
V. G. Kogan, N. V. Zhelezina
Anisotropy of superconducting MgB2 as seen in electron spin resonance and magnetization data
F. Simon, A. Janossy, T. Feher +8
Josephson junctions in narrow thin-film strips
Maayan Moshe, V. G. Kogan, R. G. Mints
Three-dimensional nodal superconducting gap in single crystals Ba(Fe$_{1-x}$Ni$_x$)$_2$As$_2$
C. Martin, H. Kim, R. T. Gordon +6
Evolution of ground state and upper critical field in R(1-x)GdxNi2B2C (R = Lu, Y): Coexistence of superconductivity and spin-glass state
S. L. Bud'ko, V. G. Kogan, H. Hodovanets +4
Radio-frequency magnetic response of vortex lattices undergoing structural transformations
R. Prozorov, V. G. Kogan, M D. Vannette +2
Is the term "type-1.5 superconductivity" warranted by Ginzburg-Landau theory?
V. G. Kogan, Joerg Schmalian
Changing the type of superconductivity by magnetic and potential scattering
V. G. Kogan, R. Prozorov
Anisotropy parameters of superconducting MgB$_2$
V. G. Kogan, S. L. Bud'ko
Effect of fluctuations on vortex lattice structural transitions in superconductors
A. Gurevich, V. G. Kogan
Measuring the Penetration Depth Anisotropy in MgB$_2$ using Small-Angle Neutron Scattering
D. Pal, L. DeBeer-Schmitt, T. Bera +7
Interaction of Josephson junction and distant vortex in narrow thin-film superconducting strips
V. G. Kogan, R. G. Mints
Vortex-induced strain and magnetization in type-II superconductors
V. G. Kogan
Scaling relations in anisotropic superconductors with strong pair-breaking
V. G. Kogan
Effect of current injection into thin-film Josephson junctions
V. G. Kogan, R. G. Mints
Homes scaling and BCS
V. G. Kogan
Orbital upper critical field and its anisotropy of clean one- and two-band superconductors
V. G. Kogan, R. Prozorov
Vortex-induced dissipation in narrow current-biased thin-film superconducting strips
L. N. Bulaevskii, M. J. Graf, C. D. Batista +1
Nodeless superconducting gap in NdFeAsO$_{0.9}$F$_{0.1}$ single crystals from anisotropic penetration depth studies
C. Martin, R. T. Gordon, M. A. Tanatar +8
Kinetic impedance and depairing in thin and narrow superconducting films
John R. Clem, V. G. Kogan
Anisotropy of the upper critical field in superconductors with anisotropic gaps. Anisotropy parameters of MgB2
P. Miranovic, K. Machida, V. G. Kogan
Flux quanta driven by high-density currents in low-impurity V3Si and LuNi2B2C: free flux flow and flux-core size effect
A. A. Gapud, S. Moraes, R. P. Khadka +6
Reply to [arXiv:1201.5347] "Comment on 'Vortex-assisted photon counts and their magnetic field dependence in single-photon superconducting detectors'"
L. N. Bulaevskii, Matthias Graf, V. G. Kogan
Fluxoid dynamics in superconducting thin film rings
J. R. Kirtley, C. C. Tsuei, V. G. Kogan +3
Magnetic field of an in-plane vortex outside a layered superconductor
J. R. Kirtley, V. G. Kogan, J. R. Clem +1
Upper critical field of high quality single crystals of KFe$_2$As$_2$
Yong Liu, M. A. Tanatar, V. G. Kogan +3
Current in narrow channels of anisotropic superconductors
V. G. Kogan, V. L. Pokrovsky
Rutgers relation for the analysis of superfluid density in superconductors
H. Kim, V. G. Kogan, K. Cho +2
Temperature Dependence of the Flux Line Lattice Transition into Square Symmetry in Superconducting LuNi$_2$B$_2$C
M. R. Eskildsen, A. B. Abrahamsen, V. G. Kogan +4
Vortex phase diagram of Ba(Fe0.93Co0.07)2As2 single crystals
R. Prozorov, N. Ni, M. A. Tanatar +8
Non-exponential London penetration depth in Ba$_{1-}$K$_{x}$Fe$_{2}$As$_{2}$ single crystals
C. Martin, R. T. Gordon, M. A. Tanatar +10
Meissner response of anisotropic superconductors
V. G. Kogan
Reply to Comment by E. Babaev and M. Silaev, arXiv:1105.3756
V. G. Kogan, Joerg Schmalian
Superfluid density and specific heat within self-consistent scheme for two-band superconductor
V. G. Kogan, C. Martin, R. Prozorov
Non-exponential London penetration depth in RFeAsO$_{0.9}$F$_{0.1}$ (R=La,Nd) single crystals
C. Martin, M. E. Tillman, H. Kim +11
Anomalous Paramagnetic Effects in the Mixed State of LuNi2B2C
Tuson Park, Y. Sun, M. B. Salamon +8
Orbital upper critical field of type-II superconductors with pair breaking
V. G. Kogan, R. Prozorov
Anisotropic London Penetration Depth and Superfluid Density in Single Crystals of Iron-based Pnictide Superconductors
R. Prozorov, M. A. Tanatar, R. T. Gordon +7