scholarly journals Muonium behavior in N-acetylglycine-N-methylamide

BIBECHANA ◽  
2021 ◽  
Vol 18 (2) ◽  
pp. 138-142
Author(s):  
Amba Datt Pant
Keyword(s):  
First Principles ◽  
Muon Spin ◽  
Chemical Properties ◽  
Theoretical Work ◽  
Peptide Bond ◽  
Bound State ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
First Principles Calculations ◽  
Similar Chemical

In muon spin rotation and relaxation (mSR) method, theoretical work using first-principles calculations helps to understand the stopping sites and charge states of muon in the sample materials. To support the mSR measurement on protein and DNA, a systematic first-principles study starting from the constituents of the protein has been performed. In this work, the behavior of muonium (Mu = m+e-, bound state of a muon and an electron which is like a light isotope of H atom with similar chemical properties) in a N-acetylglycine-N-methylamide (AGMA), a part of peptide bond, is presented. It is found that the stopping site of Mu is around O of unsaturated bonds between C and O in the AGMA. Further calculations towards whole protein and DNA will be performed to support mSR studies. BIBECHANA 18 (2) (2021) 138-142

Electronic Structure and Hyperfine Parameters for Hydrogen and Muonium in Silicon

1989 ◽  
Vol 163 ◽  
Author(s):  
Chris G. Van De Walle
Keyword(s):  
Spin Density ◽  
First Principles ◽  
Density Functional Calculations ◽  
Density Functional ◽  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
Hyperfine Parameters ◽  
Bond Center ◽  
Center Site

AbstractFirst-principles spin-density-functional calculations are used to evaluate hyperfine and superhyperfine parameters for hydrogen and muonium at various sites in the Si lattice. The results can be directly compared with values from muon-spin-rotation experiments, leading to an unambiguous identification of “anomalous muonium” with the bond-center site. The agreement found in this case instills confidence in the general use of spin-density-functional calculations for predicting hyperfine parameters of defects.

Quantitative test of electronic structures of organic ferromagnet systems from first-principles investigations using muon spin rotation data

2002 ◽  
Vol 66 (13) ◽  
Author(s):  
Junho Jeong ◽  
Tina M. Briere ◽  
N. Sahoo ◽  
Seiko Ohira ◽  
K. Nishiyama ◽  
...  
Keyword(s):  
First Principles ◽  
Electronic Structures ◽  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
Quantitative Test

scholarly journals Co-existence of short- and long-range magnetic order in LaCo2P2

2021 ◽  
Author(s):  
Ola Kenji Forslund ◽  
Daniel Andreica ◽  
Hiroto Ohta ◽  
Masaki Imai ◽  
Chishiro Michioka ◽  
...  
Keyword(s):  
Long Range ◽  
First Principles ◽  
Magnetic Order ◽  
Muon Spin ◽  
Intrinsic Property ◽  
Muon Spin Rotation ◽  
Zero Field ◽  
First Principles Calculations ◽  
Range Magnetic Order ◽  
Long Range Magnetic Order

Abstract The ferromagnetic (FM) nature of the metallic LaCo2P2 was investigated with the positive muon spin rotation, relaxation and resonance (μ+SR) technique. Transverse and zero field μ+SR measurements revealed that the compound enters a long range FM ground state at TZFC = 135.00(1) K, consistent with previous studies. Based on the reported FM structure, the internal magnetic field was computed at the muon sites, which were predicted with first principles calculations. The computed result agree well with the experimental data. Moreover, although LaCo2P2 is a paramagnet at higher temperatures T > 160 K, it enters a short range ordered (SRO) magnetic phase for T ZF C < T ≤160 K. Measurements below the vicinity of T ZF C revealed that the SRO phase co-exists with the long range FM order at temperatures 124 K ≤T ≤T ZF C. Such co-existence is an intrinsic property and may be explained by an interplay between spin and lattice degree of freedoms.

Temperature and doping-level dependence of magnetic order inLa2−xSrxNiO4+δstudied by muon spin rotation

1999 ◽  
Vol 59 (5) ◽  
pp. 3775-3782 ◽  
Author(s):  
Th. Jestädt ◽  
K. H. Chow ◽  
S. J. Blundell ◽  
W. Hayes ◽  
F. L. Pratt ◽  
...  
Keyword(s):  
Doping Level ◽  
Magnetic Order ◽  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation

Zero-Field Muon Spin Rotation Studies in (TMTSF) 2 PF 6

1991 ◽  
Vol 15 (5) ◽  
pp. 547-552 ◽  
Author(s):  
L. P Le ◽  
G. M Luke ◽  
B. J Sternlieb ◽  
W. D Wu ◽  
Y. J Uemura ◽  
...  
Keyword(s):  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
Zero Field

scholarly journals Antiferromagnetism in the spin-gap systemNaV2O5: Muon spin rotation measurements

2012 ◽  
Vol 85 (9) ◽  
Author(s):  
Vyacheslav G. Storchak ◽  
Oleg E. Parfenov ◽  
Dmitry G. Eshchenko ◽  
Roger L. Lichti ◽  
Patrick W. Mengyan ◽  
...  
Keyword(s):  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
Spin Gap

Incommensurate magnetic order inAg2NiO2studied with muon-spin-rotation and relaxation spectroscopy

2006 ◽  
Vol 73 (22) ◽  
Author(s):  
J. Sugiyama ◽  
Y. Ikedo ◽  
K. Mukai ◽  
J. H. Brewer ◽  
E. J. Ansaldo ◽  
...  
Keyword(s):  
Magnetic Order ◽  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation

Muon spin rotation in free radical chemistry

1979 ◽  
Vol 6 (1-4) ◽  
pp. 397-404 ◽  
Author(s):  
Hanns Fischer
Keyword(s):  
Free Radical ◽  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
Radical Chemistry ◽  
Free Radical Chemistry

Muon-spin-rotation measurement of magnetic field penetration and flux pinning in superconductingEuBa2Cu3Ox

1989 ◽  
Vol 39 (4) ◽  
pp. 2748-2751 ◽  
Author(s):  
D. W. Cooke ◽  
R. L. Hutson ◽  
R. S. Kwok ◽  
M. Maez ◽  
H. Rempp ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Flux Pinning ◽  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation ◽  
Rotation Measurement ◽  
Magnetic Field Penetration ◽  
Field Penetration

Magnetism of the chromium thio-spinels Fe1−xCuxCr2S4studied using muon spin rotation and relaxation

2013 ◽  
Vol 25 (18) ◽  
pp. 186001
Author(s):  
G M Kalvius ◽  
A Krimmel ◽  
R Wäppling ◽  
O Hartmann ◽  
F J Litterst ◽  
...  
Keyword(s):  
Muon Spin ◽  
Spin Rotation ◽  
Muon Spin Rotation
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