Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach
In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
Electrodynamics of high- superconductors
Recent studies of the electromagnetic response of high-T c superconductors using terahertz,
infrared, and optical spectroscopies are reviewed. In combination these experimental …
infrared, and optical spectroscopies are reviewed. In combination these experimental …
Optically enhanced coherent transport in YBa2Cu3O6.5 by ultrafast redistribution of interlayer coupling
Nonlinear optical excitation of infrared active lattice vibrations has been shown to melt
magnetic or orbital orders and to transform insulators into metals. In cuprates, this technique …
magnetic or orbital orders and to transform insulators into metals. In cuprates, this technique …
The do** dependence of T*–what is the real high-Tc phase diagram?
JL Tallon, JW Loram - Physica C: Superconductivity, 2001 - Elsevier
Underdoped high-Tc superconductors are frequently characterised by a temperature, T*,
below which the normal-state pseudogap opens. Two different “phase diagrams” based on …
below which the normal-state pseudogap opens. Two different “phase diagrams” based on …
Optical characterization of in a magnetic field: Infrared evidence for magnetoelectric coupling in a topological insulator material
We present an infrared magneto-optical study of the highly thermoelectric narrow-gap
semiconductor Bi 2 Se 3. Far-infrared and midinfrared (IR) reflectance and transmission …
semiconductor Bi 2 Se 3. Far-infrared and midinfrared (IR) reflectance and transmission …
Cavity magnon-polaritons in cuprate parent compounds
Cavity control of quantum matter may offer new ways to study and manipulate many-body
systems. A particularly appealing idea is to use cavities to enhance superconductivity …
systems. A particularly appealing idea is to use cavities to enhance superconductivity …
Evidence of a Precursor Superconducting Phase at Temperatures as High as 180 K in Superconducting Crystals from Infrared Spectroscopy
A Dubroka, M Rössle, KW Kim, VK Malik, D Munzar… - Physical review …, 2011 - APS
We show that a multilayer analysis of the infrared c-axis response of R Ba 2 Cu 3 O 7-δ (R=
Y, Gd, Eu) provides important new information about the anomalous normal-state properties …
Y, Gd, Eu) provides important new information about the anomalous normal-state properties …
Dynamical charge density waves rule the phase diagram of cuprates
In the last few years, charge density waves (CDWs) have been ubiquitously observed in
high-temperature superconducting cuprates and are now the most investigated among the …
high-temperature superconducting cuprates and are now the most investigated among the …
Femtosecond Response of Quasiparticles and Phonons in Superconducting Studied by Wideband Terahertz Spectroscopy
A Pashkin, M Porer, M Beyer, KW Kim, A Dubroka… - Physical Review Letters, 2010 - APS
We measure the anisotropic midinfrared response of electrons and phonons in bulk YBa 2
Cu 3 O 7-δ after femtosecond photoexcitation. A line shape analysis of specific lattice modes …
Cu 3 O 7-δ after femtosecond photoexcitation. A line shape analysis of specific lattice modes …
Investigating Josephson plasmons in layered cuprates via nonlinear terahertz spectroscopy
Josephson plasmons in layered superconductors represent a natural source of optical
nonlinearity, thanks to their intrinsically anharmonic nature. Here we derive the selection …
nonlinearity, thanks to their intrinsically anharmonic nature. Here we derive the selection …