The synthesis of isolated attosecond pulses (IAPs) in the extreme ultraviolet (XUV) spectral region has opened up the shortest time scales for timeresolved studies. It relies on the generation of high-order harmonics (HHG) from high-power few-cycle infrared (IR) laser pulses. Here we explore experimentally a new and simple route to IAP generation directly from 35 fs IR pulses that undergo filam...

The chemokine receptor 5 (CCR5) serves as a co-receptor for the human immunodeficiency virus-1 (HIV-1) that facilitates viral entry into cells. Individuals who are homozygous for a 32 bp deletion of the CCR5 gene are resistant to infection, while for heterozygote carriers their HIV disease progression is delayed. To understand the variable HIV-1 disease course that still exists among rare carri...

OBJECTIVE The role of CC chemokine receptor 5 (CCR5) and its ligand CCL5 on the pathogenesis of HIV infection has been well studied but not for HCV infection. Here, we investigated whether CCL5 haplotypes influence HIV and HCV seropositivity among 373 Caucasian people who inject drugs (PWID) from Estonia. METHODS Study included 373 PWID; 56% were HIV seropositive, 44% HCV seropositive and 47%...

Submitted for the DAMOP17 Meeting of The American Physical Society Laser waveform control of extreme ultraviolet high harmonic generation in solids YONG SING YOU, SLAC Natl Accelerator Lab, MENGXIWU, Louisiana State University, YANCHUN YIN, ANDREWCHEW, XIAOMING REN, SHIMA GHOLAM-MIRZAEI, University of Central Florida, DANA BROWNE, Louisiana State University, MICHAEL CHINI, ZENGHU CHANG, Univers...

OBJECTIVE Congenital adrenal hypoplasia (CAH) is a rare disorder that can be inherited in an X-linked or autosomal recessive pattern. CAH is frequently associated with hypogonadotropic hypogonadism (HHG) with absent or arrested puberty and impaired fertility caused by abnormalities in spermatogenesis. It is estimated that more than 50% of boys with idiopathic adrenal insufficiency have mutation...

We present a self-interaction-free time-dependent density-functional theory ~TDDFT! for nonperturbative treatment of multiphoton processes of many-electron atomic systems in intense laser fields. The theory is based on the extension of the time-dependent Kohn-Sham formalism. The time-dependent exchange-correlation potential with proper shortand long-range behavior is constructed by means of the...

A laser-based tabletop approach to femtosecond time-resolved photoelectron spectroscopy with photons in the vacuum-ultraviolet (VUV) energy range is described. The femtosecond VUV pulses are produced by high-order harmonic generation (HHG) of an amplified femtosecond Ti:sapphire laser system. Two generations of the same setup and results from photoelectron spectroscopy in the gas phase are disc...

[Purpose] The purpose of this study was to propose a table height that can reduce shoulder muscle fatigue by analyzing and comparing median frequencies of shoulder muscles at different table heights when performing therapeutic ultrasounds work. [Subjects and Methods] The subjects were 63 healthy male adults who were equally and randomly assigned to a standard height group (SHG), a high height g...

We investigate theoretically the high-order harmonic spectrum extension and numerical generation of an intense isolated attosecond pulse from He+ ion irradiated by a two-color laser field. Our simulation results show that the chirp of the fundamental field can control HHG cutoff position. Also, these results show that the envelope forms of two fields are important factors for controlling the re...

High Harmonic Generation (HHG) promises to provide insight into ultrafast dynamics and has been at the forefront of attosecond physics since its discovery. One class materials that demonstrate HHG are Mott insulators whose electronic properties great interest given their strongly-correlated nature. Here, we use paradigmatic representation insulators, half-filled Fermi-Hubbard model, investigate...