scholarly journals Effect of Bound States on the Excitation Spectrum of a Heisenberg Ferromagnet at Low Temperature

1967 ◽  
Vol 19 (1) ◽  
pp. 30-33 ◽  
Author(s):  
Richard Silberglitt ◽  
A. Brooks Harris
Keyword(s):  
Low Temperature ◽  
Excitation Spectrum ◽  
Bound States ◽  
Heisenberg Ferromagnet

Thermodynamics of the anisotropic Heisenberg ferromagnet at low temperature

Physica ◽  
1974 ◽  
Vol 77 (2) ◽  
pp. 403-417
Author(s):  
M. Brunné ◽  
M. Drzazga
Keyword(s):  
Low Temperature ◽  
Heisenberg Ferromagnet

scholarly journals Quasiparticle bound states and low-temperature peaks of the conductance of NIS junctionsin d-wave superconductors

1997 ◽  
Vol 55 (22) ◽  
pp. 15282-15294 ◽  
Author(s):  
Yu. S. Barash ◽  
A. A. Svidzinsky ◽  
H. Burkhardt
Keyword(s):  
Low Temperature ◽  
Bound States ◽  
D Wave

Nodal gap behavior of Bi2Sr2−xLnxCuO6+δ (Ln = La, Eu) investigated by specific heat measurements

2015 ◽  
Vol 29 (25n26) ◽  
pp. 1542014 ◽  
Author(s):  
M. Shimizu ◽  
Y. Moriya ◽  
S. Baar ◽  
N. Momono ◽  
Y. Amakai ◽  
...  
Keyword(s):  
Low Temperature ◽  
Magnetic Fields ◽  
Fermi Surface ◽  
Specific Heat ◽  
Excitation Spectrum ◽  
Cuprate Superconductors ◽  
Electronic Excitation ◽  
Linear Term ◽  
Electronic Specific Heat ◽  
Low Temperature Specific Heat

We performed low-temperature specific heat measurements on slightly underdoped samples of monolayer cuprate superconductors [Formula: see text] (Ln = La, Eu, Ln-Bi2201) under magnetic fields [Formula: see text]. In La-Bi2201, the coefficient [Formula: see text] of [Formula: see text]-linear term in the electronic specific heat [Formula: see text] at [Formula: see text] shows [Formula: see text] dependence, as expected in [Formula: see text] -wave superconductors. In Eu-Bi2201, [Formula: see text] shows almost the same [Formula: see text] dependence as that of La-Bi2201 below [Formula: see text] T, while [Formula: see text] is suppressed above [Formula: see text] T and deviates downward from the [Formula: see text] curve of La-Bi2201. This result suggests the the gap and the electronic excitation spectrum near nodes are modified in Eu-Bi2201 except the region of the Fermi surface in the immediate vicinity of nodes.

Energy Transfer from NADPH to Protochlorophyllide in Isolated Protochlorophyllide Holochrome as Determined by UV-Fluorescence Excitation Spectroscopy at 77 K

1993 ◽  
Vol 48 (3-4) ◽  
pp. 402-406 ◽  
Author(s):  
Nikolai N. Lebedev ◽  
Ether Dujardin
Keyword(s):  
Energy Transfer ◽  
Low Temperature ◽  
Excitation Spectrum ◽  
Intermediate State ◽  
Redox State ◽  
Surrounding Medium ◽  
Excitation Spectra ◽  
Fluorescence Excitation ◽  
Uv Fluorescence

The low -temperature fluorescence excitation analysis of different protochlorophyllide (PChlide) forms has been extended to the UV part of the spectrum . A new band at about 360 nm was detected in excitation spectra of active PChlide forms bound to isolated protochlorophyllide holochrome. This band is very similar to the absorbance of NADPH in this region and its intensity depends on the redox state of the surrounding medium. On illumination at low temperature the intensity of the band decreases considerably with out any corresponding changes in the redox state of “ free” NADPH in the surrounding medium. A new intermediate state exhibiting a mixed excitation spectrum between PChlide and chlorophyllide (Chlide) was detected in the course of PChlide photoconversion.

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