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of 1 312
pro vyhledávání: '"Eder, R."'
Autor:
Lamarca, Rafaela S., Ferreira, Sabrina dos S., Paganini, Éder R., Ferreira, Nathalia dos S., Ayala-Durán, Saidy C., Isquibola, Guilherme, de Lima Gomes, Paulo C.F., Amaral, Clarice D.B., Magnani, Marina, Franco, Douglas F., Fernandes, Jose O., Cunha, Sara C., Gonzalez, Mario H.
Publikováno v:
In Journal of Molecular Liquids 15 March 2024 398
Autor:
Medrado, Aline S., Santiago, Naiara A.S., Moraes, Eder R., Kushmerick, Christopher, Naves, Lígia A.
Publikováno v:
In Neuroscience Letters 6 February 2024 822
Autor:
Eder, R.
We present a theory for the lightly doped t-J model which is of possible relevance for the normal state of underdoped cuprates. Starting from an arbitrary dimer covering of the plane an exact representation of the t-J Hamiltonian in terms of bond bos
Externí odkaz:
http://arxiv.org/abs/1908.03450
Autor:
Eder, R., Wrobel, P.
Publikováno v:
Phys. Rev. B 98, 245125 (2018)
We discuss the quasiparticle band structure of the antiferromagnetic phase of the planar Kondo lattice model with a half-filled conduction band, the so-called Kondo insulator. The band structure is obtained by bond fermion technique and good agreemen
Externí odkaz:
http://arxiv.org/abs/1902.10434
Autor:
Eder, R.
Publikováno v:
Phys. Rev. B 99, 085134 (2019)
A formulation of the Kondo lattice Hamiltonian in terms of bond particles is derived and solved in two different approximations. The bond particles correspond to the eigenstates of a single unit cell and are bosons for states with even electron numbe
Externí odkaz:
http://arxiv.org/abs/1902.10442
Akademický článek
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Publikováno v:
Phys. Rev. B 98, 125122 (2018)
The two-dimensional electron system in (110)Al$_2$O$_{3-\delta}$/SrTiO$_3$ heterostructures displays anisotropic electronic transport. Largest and lowest conductivity and electron mobility $\mu$ are observed along the $[001]$ and $[1\bar{1}0]$ direct
Externí odkaz:
http://arxiv.org/abs/1803.02646
Autor:
Hardy, F., Böhmer, A. E., Medici, L. de', Capone, M., Giovannetti, G., Eder, R., Wang, L., He, M., Wolf, T., Schweiss, P., Heid, R., Herbig, A., Adelmann, P., Fisher, R. A., Meingast, C.
Publikováno v:
Phys. Rev. B 94, 205113 (2016)
We present a comprehensive study of the low-temperature heat capacity and thermal expansion of single crystals of the hole-doped Ba1-xKxFe2As2 series (0
Externí odkaz:
http://arxiv.org/abs/1605.05485
Publikováno v:
Phys. Rev. B 93, 165111 (2016)
We discuss the paramagnetic and Neel-ordered phases of the Kondo lattice Hamiltonian on the 2D square lattice by means of bond Fermions. In the doped case we find two antiferromagnetic solutions, the first one with small ordered moment, heavy bands,
Externí odkaz:
http://arxiv.org/abs/1604.03274
Autor:
Eder, R.
The thermodynamics of the antiferromagnetic ordering transition in NiO and the photoelectron spectra in the antiferromagnetic phase are studied by the Variational Cluster Approximation. Using realistic Racah parameters to describe the Coulomb interac
Externí odkaz:
http://arxiv.org/abs/1503.09018