English
Related papers

Related papers: Field-induced spin-density-wave phases in TMTSF or…

200 papers

We show that "Quantizied Nesting" model misses important features of the magnetic field-induced spin-density-wave (FISDW) phase diagram. Among them are: 1) the FISDW wave vector is not strictly quantized; 2) in some compounds, the FISDW…

Strongly Correlated Electrons · Physics 2009-11-10 A. G. Lebed

It is known that the Field-Induced Spin-Density-Wave (FISDW) phases are experimentally observed in the quasi-one-dimensional (Q1D) organic conductors with chemical formula (TMTSF)$_2$X (X=PF$_6$, ClO$_4$, etc.) and some others in moderate…

Strongly Correlated Electrons · Physics 2019-03-13 Andrei G. Lebed

Successive magnetic-field-induced charge-density-wave transitions in the molecular conductor $\alpha$-(BEDT-TTF)$_2$KHg(SCN)$_4$ are studied in the hydrostatic pressure regime, in which the zero field charge-density wave (CDW)state is…

Strongly Correlated Electrons · Physics 2018-01-09 D. Andres , M. V. Kartsovnik , W. Biberacher , K. Neumaier , I. Sheikin , H. Mueller

The Hall conductivity in the magnetic-field-induced spin-density-wave (FISDW) state of the quasi-one-dimensional organic conductors (TMTSF)$_2$X at a finite temperature is calculated. The temperature dependence of the Hall conductivity is…

Condensed Matter · Physics 2007-05-23 Hsi-Sheng Goan , Victor M. Yakovenko

Magnetoresistance measurements on the quasi one-dimensional organic conductor (TMTSF)_2PF_6 performed in magnetic fields B up to 16T, temperatures T down to 0.12K and under pressures P up to 14kbar have revealed new phases on its P-B-T…

This paper reviews recent developments in the theory of the quantum Hall effect (QHE) in the magnetic-field-induced spin-density-wave (FISDW) state of the quasi-one-dimensional organic conductors (TMTSF)$_2$X. The origin and the basic…

Condensed Matter · Physics 2009-10-28 Victor M. Yakovenko , Hsi-Sheng Goan

The influence of the motion of a magnetic-field-induced spin-density wave (FISDW) on the quantum Hall effect in a quasi-one-dimensional conductor is studied theoretically. In the ideal case of a free FISDW, it is found that the counterflow…

Condensed Matter · Physics 2007-05-23 Victor M. Yakovenko , Hsi-Sheng Goan

The transverse magnetoresistance of the Bechgaard salt (TMTSF)$_2$PF$_6$ has been measured for various pressures, with the field up to 24 T parallel to the lowest conductivity direction c$^{\ast}$. A quadratic behavior is observed in the…

Strongly Correlated Electrons · Physics 2009-11-07 N. Matsunaga , K. Yamashita , H. Kotani , K. Nomura , T. Sasaki , T. Hanajiri , J. Yamada , S. Nakatsuji , H. Anzai

Field Induced Spin Density Wave (FISDW) systems exhibit coexistence phases between well defined quantum Hall plateau phases with even integers 2N and 2N'. We show that a disordered coexistence region accounts for the observed peaks in the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Pascal Lederer , Baruch Horovitz

We derive the effective action for a moving magnetic-field-induced spin-density wave (FISDW) in quasi-one-dimensional conductors at zero and nonzero temperatures by taking the functional integral over the electron field. The effective…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Victor M. Yakovenko , Hsi-Sheng Goan

The quantum Hall effect in the three-dimensional anisotropic tight-binding electrons is investigated in the field-induced spin density wave phases with a magnetic field tilted to any direction. The Hall conductivity, $\sigma_{xy}$ and…

Condensed Matter · Physics 2009-10-22 Yasumasa Hasegawa

The incommensurate spin-density-wave (SDW) phase in (TMTTF)$_2$Br was investigated through transport measurements under pressure and magnetic fields parallel to the $c^{\ast}$ axis. For the incommensurate SDW phase of (TMTTF)$_2$Br…

Strongly Correlated Electrons · Physics 2009-11-10 A. Ishikawa , N. Matsunaga , K. Nomura , T. Sasaki , T. Nakamura , T. Takahashi , G. Saito

The magnetic field dependence of the SDW transition in (TMTSF)$_2$ClO$_4$ for various anion cooling rates has been measured, with the field up to 27T parallel to the lowest conductivity direction $c^{\ast}$. For quenched (TMTSF)$_2$ClO$_4$,…

Strongly Correlated Electrons · Physics 2009-10-31 N. Matsunaga , A. Briggs , A. Ishikawa , K. Nomura , T. Hanajiri , J. Yamada , S. Nakatsuji , H. Anzai

We have studied spin density wave (SDW) phase transitions in dimerized quarter-filled Hubbard chains weakly coupled via interchain one-particle hopping, $t_{b0}$. It is shown that there exists a critical value of $t_{b0}$, $t_{b}^\ast$,…

Strongly Correlated Electrons · Physics 2009-10-31 Jun-ichiro Kishine , Kenji Yonemitsu

We suggest a theory of the Field-Induced Charge-Density-Wave (FICDW) phases, generated by high magnetic fields in quasi-low-dimensional conductors. We demonstrate that, in layered quasi-one-dimensional conductors, the corresponding critical…

Strongly Correlated Electrons · Physics 2015-05-13 A. G. Lebed

We consider the effect that a change in the magnetic induction B has in causing an orbitally quantized field-induced spin- or charge density wave (FISDW or FICDW) state to depart from thermodynamic equilibrium. The competition between…

Strongly Correlated Electrons · Physics 2007-05-23 N. Harrison , R. D. McDonald , J. Singleton

It is known that, in a pure one-dimensional case, Charge-Density-Wave (CDW) phase is destroyed by a magnetic field, whereas Spin-Density-Wave (SDW) one does not feel the field. In reality, SDW phase is often observed in…

Strongly Correlated Electrons · Physics 2018-09-26 Andrei G. Lebed

The ordering wave vector $\mathbf{Q}$ of a spin density wave (SDW), stabilized within the superconducting state of $\mathrm{CeCoIn_5}$ in a high magnetic field, has been shown to be hypersensitive to the direction of the field. $\mathbf{Q}$…

Strongly Correlated Electrons · Physics 2017-07-13 Duk Y. Kim , Shi-Zeng Lin , Eric D. Bauer , Filip Ronning , J. D. Thompson , Roman Movshovich

We report unexpected features of the transport in the dielectric spin density wave (SDW) phase of the quasi one-dimensional compound (TMTSF)_2PF_6: the resistance exhibits a maximum and a subsequent strong drop as temperature decreases…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. V. Kornilov , V. M. Pudalov , Y. Kitaoka , K. Ishida , T. Mito , N. Tateiwa , T. C. Kobayashi , J. S. Brooks , J. S. Qualls

\alpha-(BEDT-TTF)2KHg(SCN)4 is considered to be in the charge-density-wave (CDW) state below 8 K. We present new magnetoresistance data suggesting that the material undergoes a series of field-induced CDW (FICDW) transitions at pressures…

Strongly Correlated Electrons · Physics 2009-11-10 M. V. Kartsovnik , D. Andres , W. Biberacher , P. D. Grigoriev , E. A. Schuberth , H. Mueller
‹ Prev 1 2 3 10 Next ›