activity
19972025
most citedQuasiparticle relaxation dynamics in spin-density-wave and superconducting SmFeAsO_{1-x}F_{x} single crystals

61 citations · 553 across the 25 of their papers we have counts for

collaborators

25 papers

cond-mat.supr-con2025

Critical photoinduced reflectivity relaxation dynamics in single-layer Bi-based cuprates near the pseudogap end point

T. Shimizu, R. Tobise, T. Kurosawa +6

A comprehensive study of photoinduced transient reflectivity dynamics in heavily overdoped single-layer cuprate (Bi,Pb)SrCuO (Pb-Bi-2201) across the end points…

physics.optics2023★ 10 cited

A high-efficiency programmable modulator for extreme ultraviolet light with nm feature size based on an electronic phase transition

Igor Vaskivskyi, Anze Mraz, Rok Venturini +11

The absence of efficient light modulators for extreme ultraviolet (EUV) and X-ray photons significantly limits their real-life application, particularly when even slight complexity…

cond-mat.supr-con2023★ 4 cited

Dynamics of non-thermal states in optimally-doped revealed by mid-infrared three-pulse spectroscopy

Angela Montanaro, Enrico Maria Rigoni, Francesca Giusti +13

In the cuprates, the opening of a d-wave superconducting (SC) gap is accompanied by a redistribution of spectral weight at energies two orders of magnitude larger than this gap. Th…

cond-mat.str-el2018

Optical creation and temperature stability of the hidden charge density wave state in 1T-TaS_{2-x}Se_{x}

L. Stojchevska, P. Šutar, E. Goreshnik +2

The femtosecond transinet optical spectroscopy is employed to study the relaxation dynamics of the equilibrium and hidden metastable charge-density-wave states in single crystals o…

cond-mat.supr-con2015★ 5 cited

Superconducting gap in BaFe(AsP) from temperature dependent transient optical reflectivity

A. Pogrebna, T. Mertelj, Z. R. Ye +2

Temperature and fluence dependence of the 1.55-eV optical transient reflectivity in BaFe(AsP) was measured and analysed in the low and high excitation den…

physics.optics2014★ 2 cited

Multichannel photodiode detector for ultrafast optical spectroscopy

T. Mertelj, N. Vujičić, T. Borzda +3

Construction and characterization of a multichannel photodiode detector based on commercially available components with high signal to noise of and a rapid frame rate,…

cond-mat.str-el2014★ 36 cited

Ultrafast carrier localisation in the pseudogap state of cuprate superconductors from coherent quench experiments

Ivan Madan, Toru Kurosawa, Yasunori Toda +3

A pseudogap (PG) was introduced by Mott to describe a state of matter which has a minimum in the density of states at the Fermi level, deep enough for states to become localized. I…

cond-mat.supr-con2014★ 31 cited

Separating pairing from quantum phase coherence dynamics above the superconducting transition by femtosecond spectroscopy

Ivan Madan, Toru Kurosawa, Yasunori Toda +4

In classical superconductors an energy gap and phase coherence appear simultaneously with pairing at the transition to the superconducting state. In high-temperature superconductor…

cond-mat.supr-con2014★ 16 cited

Spectrally-resolved femtosecond reflectivity relaxation dynamics in undoped SDW 122-structure iron based pnictides

A. Pogrebna, N. Vujičić, T. Mertelj +5

We systematically investigate temperature- and spectrally-dependent optical reflectivity dynamics in AAsFe, (A=Ba, Sr and Eu), iron-based superconductors parent spin-de…

cond-mat.supr-con2013★ 44 cited

Dynamics of broken symmetry nodal and anti-nodal excitations in Bi_{2} Sr_{2} CaCu_{2} O_{8+δ} probed by polarized femtosecond spectroscopy

Y. Toda, F. Kawanokami, T. Kurosawa +5

The dynamics of excitations with different symmetry is investigated in the superconducting (SC) and normal state of the high-temperature superconductor BiSrCaCuO$…

cond-mat.mes-hall2013★ 9 cited

Coherent topological defect dynamics and collective modes in superconductors and electronic crystals

Dragan Mihailovic, Tomaz Mertelj, Viktor V Kabanov +1

The control of condensed matter systems out of equilibrium by laser pulses allows us to investigate the system trajectories through symmetry-breaking phase transitions. Thus the ev…

cond-mat.supr-con2012★ 13 cited

Real time measurement of the emergence of superconducting order in a high temperature superconductor

I. Madan, P. Kusar, V. V. Baranov +4

Systems which rapidly evolve through symmetry-breaking transitions on timescales comparable to the fluctuation timescale of the single-particle excitations may behave very differen…

cond-mat.supr-con2011★ 57 cited

Mechanisms of nonthermal destruction of the superconducting state and melting of the charge-density-wave state by femtosecond laser pulses

L. Stojchevska, P. Kusar, T. Mertelj +4

The processes leading to nonthermal condensate vaporization and charge-density wave (CDW) melting with femtosecond laser pulses is systematically investigated in different material…

cond-mat.supr-con2011★ 52 cited

Doping dependence of femtosecond quasi-particle relaxation dynamics in Ba(Fe,Co)_2As_2 single crystals: possible evidence for normal state nematic fluctuations

L. Stojchevska, T. Mertelj, Jiun-Haw Chu +2

We systematically investigate the photoexcited (PE) quasi-particle (QP) relaxation and low-energy electronic structure in electron doped Ba(Fe_{1-x}Co_{x})_{2}As_{2} single crystal…

cond-mat.str-el2010★ 54 cited

Electron-phonon coupling and charge gap in spin-density-wave iron-pnictides from quasiparticle relaxation dynamics

L. Stojchevska, P. Kusar, T. Mertelj +5

We investigate the quasiparticle relaxation and low-energy electronic structure in undoped SrFe_2As_2 exhibiting spin-density wave (SDW) ordering using optical pump-probe femtoseco…

cond-mat.str-el2010★ 5 cited

Polaron and bipolaron transport in a charge segregated state of doped strongly correlated 2D semiconductor

J. Miranda, T. Mertelj, V. Kabanov +1

The 2D lattice gas model with competing short and long range interactions is appliedused for calculation of the incoherent charge transport in the classical strongly-correlated cha…

cond-mat.supr-con2010★ 61 cited

Quasiparticle relaxation dynamics in spin-density-wave and superconducting SmFeAsO_{1-x}F_{x} single crystals

T. Mertelj, P. Kusar, V. V. Kabanov +7

We investigate the quasiparticle relaxation and low-energy electronic structure in undoped SmFeAsO and near-optimally doped SmFeAsO_{0.8}F_{0.2} single crystals - exhibiting spin-d…

cond-mat.mtrl-sci2009★ 2 cited

Temperature and fluence dependence of ultrafast phase separation dynamics in Pr0.6Ca0.4MnO3 thin films

T. Mertelj, R. Yusupov, A. Gradisek +3

Temperature and fluence dependence of the transient photoinduced reflectivity and the magnetooptical Kerr angle was measured in two Pr0.6Ca0.4MnO3 thin films subject to tensile and…

cond-mat.supr-con2005★ 35 cited

Evidence for a universal length scale of dynamic charge inhomogeneity in cuprate superconductors

D. Mihailovic

Time-resolved optical experiments can give unique information on the characteristic length scales of dynamic charge inhomogeneity on femtosecond timescales. From data on the effect…

cond-mat.supr-con2000★ 1 cited

Photoinduced absorption from localized intra-gap states

V. V. Kabanov, J. Demsar, D. Mihailovic

A model is developed for photoinduced absorption from localized states observed in femtosecond pump-probe experiments in high-Tc superconductors and other materials. The dynamics o…

cond-mat.supr-con2000★ 6 cited

Quasiparticle relaxation dynamics in cuprates and lifetimes of low-energy states: Femtosecond data from underdoped to overdoped YBCO and mercury compounds

D. Mihailovic, J. Demsar, R. Hudej +3

We show that low-energy spectral features in the cuprates can be separated into different components by the measurement of the recombination dynamics of different low-energy excita…

cond-mat.supr-con2000★ 3 cited

Quasiparticle relaxation dynamics in Hg-1223 studied by femtosecond time-resolved optical spectroscopy

J. Demsar, R. Hudej, J. Karpinski +2

Following recent progress in understanding the relaxation dynamics of photoexcited carriers in materials exhibiting a small gap in the low-energy excitation spectrum we have perfor…

cond-mat.supr-con1999★ 33 cited

Carrier relaxation dynamics in intra-gap states: the case of the superconductor Y Ba_2 Cu_3O_7-delta and the charge-density-wave semiconductor K_0.3MoO_3

V. V. Kabanov, J. Demsar, D. Mihailovic

The unusual slow carrier relaxation dynamics - observed in femtosecond pump-probe experiments on high-temperature superconductors and recently also in a charge-density-wave system…

cond-mat.supr-con1998★ 49 cited

a-b plane optical conductivity in YBa_2Cu_3O_{7-delta} above and below T*

D. Mihailovic, T. Mertelj, K. A. Mueller

Analysis of the a-b plane optical conductivity for both twinned and untwinned YBaCuO as a function of temperature and doping shows that below a well de…