28 research outputs found
Magnetic phase diagram and transport properties of FeGe_2
We have used resistivity measurements to study the magnetic phase diagram of
the itinerant antiferromagnet FeGe_2 in the temperature range from 0.3->300 K
in magnetic fields up to 16 T. In contrast to theoretical predictions, the
incommensurate spin density wave phase is found to be stable at least up to 16
T, with an estimated critical field \mu _0H_c of ~ 30 T. We have also studied
the low temperature magnetoresistance in the [100], [110], and [001]
directions. The transverse magnetoresistance is well described by a power law
for magnetic fields above 1 T with no saturation observed at high fields. We
discuss our results in terms of the magnetic structure and the calculated
electronic bandstructure of FeGe_2. We have also observed, for the first time
in this compound, Shubnikov-de Haas oscillations in the transverse
magnetoresistance with a frequency of 190 +- 10 T for a magnetic field along
[001].Comment: 13 pages, RevTeX, 7 postscript figures, to appear in Journal of
Physics: Condensed Matte
Dissipative Van der Waals interaction between a small particle and a metal surface
We use a general theory of the fluctuating electromagnetic field to calculate
the friction force acting on a small neutral particle, e.g., a physisorbed
molecule, or a nanoscale object with arbitrary dispersive and absorptive
dielectric properties, moving near a metal surface. We consider the dependence
of the electromagnetic friction on the temperature , the separation , and
discuss the role of screening, non-local and retardation effects. We find that
for high resistivity materials, the dissipative van der Waals interaction can
be an important mechanism of vibrational energy relaxation of physisorbed
molecules, and friction for microscopic solids. Several controversial topics
related to electromagnetic dissipative shear stress is considered. The problem
of local heating of the surface by an STM tip is also briefly commented on.Comment: 11 pages, No figure
ВНУТРИПОЛОСТНАЯ ТЕРАПИЯ ОЗОНИРОВАННЫМ АНТИСЕПТИЧЕСКИМ РАСТВОРОМ В КОМПЛЕКСНОМ ЛЕЧЕНИИ ПАЦИЕНТОВ С ИНФИЦИРОВАННЫМИ ПОЛОСТНЫМИ ОБРАЗОВАНИЯМИ ПЕЧЕНИ
Application in the treatment of patients with infected cavitary formations liver intracavitary therapy ozonated antiseptic allowed significantly speed up the recovery of liver function, reduce the time of hospital treatment, to accelerate the elimination of the abscess cavity.Применение в лечении у пациентов с инфицированными полостными образованиями печени внутриполостной терапии озонированным антисептическим раствором позволило достоверно ускорить восстановление функции печени, уменьшить сроки стационарного лечения, ускорить ликвидацию полости абсцесса
ЭТИОЛОГИЧЕСКИЕ ФАКТОРЫ РАЗВИТИЯ АБСЦЕССОВ ПЕЧЕНИ
Liver abscesses of various origins are the group of severe purulent diseases of the liver and it is considered one of the difficult problems of the hepatobiliary system. The article presents the current data on the causes and microbiological composition of pathogens liver abscesses.Абсцессы печени различного генеза являются группой тяжелых гнойных заболеваний печени и считаются одной из сложных проблем гепатобилиарной системы. В статье приведены современные данные о причинах развития и микробиологическом составе возбудителей абсцессов печени
INTRACAVITARY THERAPY BY THE OZONIZED ANTISEPTIC SOLUTION IN COMPLEX TREATMENT OF PATIENTS WITH INFECTED BAND FORMATIONS OF THE LIVER
Application in the treatment of patients with infected cavitary formations liver intracavitary therapy ozonated antiseptic allowed significantly speed up the recovery of liver function, reduce the time of hospital treatment, to accelerate the elimination of the abscess cavity
CAUSES OF DEVELOPMENT LIVER ABSCESSES
Liver abscesses of various origins are the group of severe purulent diseases of the liver and it is considered one of the difficult problems of the hepatobiliary system. The article presents the current data on the causes and microbiological composition of pathogens liver abscesses