For the past five decades, bulk niobium (Nb) has been the material of choice for
superconducting RF (SRF) cavity applications. Alternatives such as Nb thin films and other …

Advances in SRF technology over the last 40 years allowed achieving accelerating
gradients~ 50​ MV/m corresponding to peak surface magnetic fields close to the theoretical …

A microns-thick film of Nb 3 Sn on the inner surface of a superconducting radiofrequency
(SRF) cavity has been demonstrated to substantially improve cryogenic efficiency compared …

Nb 3 Sn is a promising next-generation material for superconducting radiofrequency
cavities, with significant potential for both large scale and compact accelerator applications …

An overview of a theory of electromagnetic response of superconductors in strong radio-
frequency (RF) electromagnetic fields is given with the emphasis on applications to …

We propose a theory of nonlinear surface resistance of a dirty superconductor in a strong
radio-frequency (rf) field, taking into account magnetic and nonmagnetic impurities, finite …

In superconductors, the motion of vortices introduces unwanted dissipation that is disruptive
to applications. Fortunately, material defects can immobilize vortices, acting as vortex …

We calculate a low-frequency surface impedance of a dirty, s-wave superconductor with an
imperfect surface incorporating either a thin layer with a reduced pairing constant or a thin …

An overview of the theory of the upper critical field in dirty two-gap superconductors, with a
particular emphasis on MgB2 is given. We focus here on the maximum Hc2 which may be …

The performance of superconducting resonators, particularly cavities for particle
accelerators and micro cavities and thin film resonators for quantum computations and …