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Showing 1 to 12 of 80 entries
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Topological Aspects of Symmetry Breaking in Triangular-Lattice Ising Antiferromagnets.

Physical review letters

Smerald A, Korshunov S, Mila F.
PMID: 27232039
Phys Rev Lett. 2016 May 13;116(19):197201. doi: 10.1103/PhysRevLett.116.197201. Epub 2016 May 09.

Using a specially designed Monte Carlo algorithm with directed loops, we investigate the triangular lattice Ising antiferromagnet with coupling beyond the nearest neighbors. We show that the first-order transition from the stripe state to the paramagnet can be split,...

Commensurate spin density wave in LaFeAsO: a local probe study.

Physical review letters

Klauss HH, Luetkens H, Klingeler R, Hess C, Litterst FJ, Kraken M, Korshunov MM, Eremin I, Drechsler SL, Khasanov R, Amato A, Hamann-Borrero J, Leps N, Kondrat A, Behr G, Werner J, Büchner B.
PMID: 18764570
Phys Rev Lett. 2008 Aug 15;101(7):077005. doi: 10.1103/PhysRevLett.101.077005. Epub 2008 Aug 14.

We present a detailed study on the magnetic order in the undoped mother compound LaFeAsO of the recently discovered Fe-based superconductor LaFeAsO1-xFx. In particular, we present local probe measurements of the magnetic properties of LaFeAsO by means of 57Fe...

Nonanalytic spin susceptibility of a Fermi liquid: the case of Fe-based pnictides.

Physical review letters

Korshunov MM, Eremin I, Efremov DV, Maslov DL, Chubukov AV.
PMID: 19658954
Phys Rev Lett. 2009 Jun 12;102(23):236403. doi: 10.1103/PhysRevLett.102.236403. Epub 2009 Jun 12.

We propose an explanation of the peculiar linear temperature dependence of the uniform spin susceptibility chi(T) in ferropnictides. We argue that the linear in T term appears to be due to the nonanalytic temperature dependence of chi(T) in a...

Explicit solution of the optimal fluctuation problem for an elastic string in a random medium.

Physical review. E, Statistical, nonlinear, and soft matter physics

Kolokolov IV, Korshunov SE.
PMID: 19905062
Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Sep;80(3):031107. doi: 10.1103/PhysRevE.80.031107. Epub 2009 Sep 04.

The free-energy distribution function of an elastic string in a quenched random potential, PL(F) , is investigated with the help of the optimal fluctuation approach. The form of the far-right tail of PL(F) is found by constructing the exact...

XY model on a Sierpinski gasket.

Physical review. B, Condensed matter

Beck H, Korshunov SE, Vallat A.
PMID: 9996479
Phys Rev B Condens Matter. 1991 Apr 01;43(10):8482-8486. doi: 10.1103/physrevb.43.8482.

No abstract available.

Absence of reentrance in superconducting arrays with positional disorder.

Physical review. B, Condensed matter

Korshunov SE, Nattermann T.
PMID: 9983785
Phys Rev B Condens Matter. 1996 Feb 01;53(5):2746-2755. doi: 10.1103/physrevb.53.2746.

No abstract available.

Replica symmetry breaking in vortex glasses.

Physical review. B, Condensed matter

Korshunov SE.
PMID: 10008846
Phys Rev B Condens Matter. 1993 Aug 01;48(6):3969-3975. doi: 10.1103/physrevb.48.3969.

No abstract available.

Chiral phase of the Heisenberg antiferromagnet with a triangular lattice.

Physical review. B, Condensed matter

Korshunov SE.
PMID: 10004577
Phys Rev B Condens Matter. 1993 Mar 01;47(10):6165-6168. doi: 10.1103/physrevb.47.6165.

No abstract available.

Quantification of Hydrogen Sulfide and Cysteine Excreted by Bacterial Cells.

Bio-protocol

Korshunov S, Imlay JA.
PMID: 29955619
Bio Protoc. 2018 May 20;8(10). doi: 10.21769/BioProtoc.2847.

Bacteria release cysteine to moderate the size of their intracellular pools. They can also evolve hydrogen sulfide, either through dissimilatory reduction of oxidized forms of sulfur or through the deliberate or inadvertent degradation of intracellular cysteine. These processes can...

[Comparative study of prolactin-secreting and hormonally inactive pituitary adenomas in patients with moderate hyperprolactinemia].

Problemy endokrinologii

Astafyeva LI, Marova YI, Kadashev BA, Korshunov AG.
PMID: 31627509
Probl Endokrinol (Mosk). 2006 Jun 15;52(3):30-33. doi: 10.14341/probl200652330-33.

The present paper deals with the differential prolactin diagnosis of pituitary adenomas with moderate prolactin hyperproduction and hormonally inactive pituitary adenomas. Sixty patients with gross pituitary adenomas were examined. Morphological analysis of in-traoperative samples included histological, immunohistochemical studies with...

ABCB1 inhibition provides a novel therapeutic target to block TWIST1-induced migration in medulloblastoma.

Neuro-oncology advances

Nasir A, Cardall A, Othman RT, Nicolaou N, Lourdusamy A, Linke F, Onion D, Ryzhova M, Cameron H, Valente C, Ritchie A, Korshunov A, Pfister SM, Grabowska AM, Kerr ID, Coyle B.
PMID: 33948561
Neurooncol Adv. 2021 Apr 28;3(1):vdab030. doi: 10.1093/noajnl/vdab030. eCollection 2021.

BACKGROUND: Therapeutic intervention in metastatic medulloblastoma is dependent on elucidating the underlying metastatic mechanism. We investigated whether an epithelial-mesenchymal transition (EMT)-like pathway could drive medulloblastoma metastasis.METHODS: A 3D Basement Membrane Extract (3D-BME) model was used to investigate medulloblastoma cell...

A Set of Cell Lines Derived from a Genetic Murine Glioblastoma Model Recapitulates Molecular and Morphological Characteristics of Human Tumors.

Cancers

Costa B, Fletcher MNC, Boskovic P, Ivanova EL, Eisemann T, Lohr S, Bunse L, Löwer M, Burchard S, Korshunov A, Coltella N, Cusimano M, Naldini L, Liu HK, Platten M, Radlwimmer B, Angel P, Peterziel H.
PMID: 33435218
Cancers (Basel). 2021 Jan 10;13(2). doi: 10.3390/cancers13020230.

Glioblastomas (GBM) are the most aggressive tumors affecting the central nervous system in adults, causing death within, on average, 15 months after diagnosis. Immunocompetent in-vivo models that closely mirror human GBM are urgently needed for deciphering glioma biology and...

Showing 1 to 12 of 80 entries