Mean-field calculation for the weak ferromagnetic transition inLa2−xSrxCuO4

1989 ◽  
Vol 39 (4) ◽  
pp. 2880-2882
Author(s):  
S. T. Chui
Keyword(s):  
Mean Field ◽  
Field Calculation ◽  
Ferromagnetic Transition ◽  
Weak Ferromagnetic

Relaxation of a tethered polymer using dynamic mean field calculation

2002 ◽  
Vol 117 (21) ◽  
pp. 9959-9960 ◽  
Author(s):  
Kenji Furuichi ◽  
Chisato Nonomura ◽  
Toshihiro Kawakatsu ◽  
Masao Doi
Keyword(s):  
Mean Field ◽  
Field Calculation

Mean‐Field Calculation of M Z for Randomly Branched Condensation Polymers

2019 ◽  
Vol 57 (21) ◽  
pp. 1415-1422
Author(s):  
Roy Odle ◽  
Joseph D. Mitchell ◽  
John T. Bendler
Keyword(s):  
Mean Field ◽  
Field Calculation ◽  
Condensation Polymers

CRYSTALLINE STRUCTURE AND PHYSICAL PROPERTIES OF UCo2Al3

2004 ◽  
Vol 18 (30) ◽  
pp. 3905-3914
Author(s):  
E. VERDÍN ◽  
R. ESCUDERO
Keyword(s):  
Intermetallic Compound ◽  
Physical Properties ◽  
Single Crystal ◽  
Intermetallic Compounds ◽  
Heavy Fermion ◽  
Ferromagnetic Transition ◽  
Crystallographic Characteristics ◽  
Heavy Fermion Behavior ◽  
Small Single Crystal ◽  
Weak Ferromagnetic

Some intermetallic compounds which contain uranium or cerium present heavy fermion characteristics. Take, for example, in the UM 2 Al 3 ( M = Pd , Ni ) family, superconductivity and magnetism coexist and present heavy fermion behavior. This work presents the crystallographic characteristics and physical properties of a new compound of this family; the intermetallic compound UCo 2 Al 3. Our initial crystallographic studies performed in a small single crystal show that the structure is hexagonal and similar to the UNi 2 Al 3 and UPd 2 Al 3 parent compounds. The space group is P6/mmm with a=5.125 Å and c=4.167 Å crystalline parameters. Measurements of resistivity and magnetization performed on the single crystal reveal that the compound is not superconducting when measured at about 1.8 K. The compound is highly anisotropic and features related to Kondo-like behavior are observed. A weak ferromagnetic transition is observed at a temperature of about 20 K.

Mesophases of Regularly Branched Copolymers

2001 ◽  
Vol 710 ◽  
Author(s):  
Galen T. Pickett
Keyword(s):  
Phase Diagram ◽  
Block Copolymers ◽  
Path Analysis ◽  
Mean Field ◽  
Tree Structure ◽  
Field Calculation ◽  
Branched Copolymers ◽  
Classical Path ◽  
Self Consistent

ABSTRACTThe phase diagram of A/B block copolymers is determined when the A block is a flexible, linear homopolymer, and the B block has a regularly branched tree structure with G generations. The predictions of a classical-path analysis and a lattice self-consistent mean field calculation are in general agreement. The phase diagram is considerably skewed toward keeping the A blocks inside cylindrical or spherical cores with the branched block forming a corona. There is little, if any, tendency for the branched arms to fold back to facilitate packing.

scholarly journals Systematic Search For Evidence of Tetrahedral and Octahedral Symmetries in Subatomic Physics: Follow-up of the First Identification Case in 152Sm

2019 ◽  
Vol 223 ◽  
pp. 01014
Author(s):  
Jerzy Dudek ◽  
Irene Dedes ◽  
Abdelghafar Gaamouci ◽  
Jie Yang ◽  
Andrzej Baran ◽  
...  
Keyword(s):  
Group Theory ◽  
Periodic Table ◽  
Mean Field ◽  
Exotic Nuclei ◽  
Field Calculation ◽  
Research Strategies ◽  
Tetrahedral Symmetry ◽  
Atomic Nuclei ◽  
Calculation Results ◽  
New Research

In a recent article [1] group-theory representation-methods have been combined with the realistic mean-field calculation results to elaborate new, specifically designed methods of experimental identification of the tetrahedral/octahedral symmetries in atomic nuclei. The authors demonstrated that experimental data on 152 Sm existing in the literature are fully compatible with the extremely restrictive group-theory criteria of simultaneous presence of tetrahedral and octahedral symmetries, thus identifying these symmetries in subatomic physics for the first time. We discuss theory predictions related to the systematic presence of these symmetries as well as their manifestations throughout the Periodic Table in the form of islands centred around the doublymagic tetrahedral-symmetry nuclei. The corresponding theory predictions are discussed in the context of the planned new experiments, which would employ the advanced mass-spectrometry methods [2], in view of the new experimental search criteria [1]. The addressed field of symmetry-research presents particularly promising potentialities in the domain of exotic nuclei studies. Indeed, as it can be demonstrated, in the exact tetrahedral and/or octahedral symmetry limits the corresponding nuclei emit neither E2 nor E1 radiation generating isomeric states with lifetimes which can become much longer than those of the related ground states. This is expected to open the new research strategies for the whole domain of the exotic nuclei studies throughout the Periodic Table.

Magnetic order and weak ferromagnetic transition in Gd2CuO4

2000 ◽  
Vol 87 (9) ◽  
pp. 5911-5913 ◽  
Author(s):  
J. Mira ◽  
J. Rivas ◽  
A. Butera ◽  
L. B. Steren ◽  
J. M. Garcı́a-Beneytez ◽  
...  
Keyword(s):  
Magnetic Order ◽  
Ferromagnetic Transition ◽  
Weak Ferromagnetic

Mean-Field Calculation of the Antiferromagnetic Instability inLa2−xSrxCuO4

1988 ◽  
Vol 61 (2) ◽  
pp. 207-210 ◽  
Author(s):  
S. T. Chui ◽  
Robert V. Kasowski ◽  
William Y. Hsu
Keyword(s):  
Mean Field ◽  
Field Calculation
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