Temperature dependence of the Hall effect in single-layer and bilayer<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Sr</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Ca</mml:mi></mml:mrow><mm

Konstantinović, Z.; Li, Z. Z.; Raffy, H.

doi:10.1103/physrevb.62.r11989

Cited by 51 publications

(68 citation statements)

References 20 publications

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“…For this reason, the Hall angle will naturally become tan θ H ∼ 1/T 2 for this phase. These results are clearly consistent with the experimental data 6,7,[43][44][45] . We now move on to the most puzzling aspect of the transport properties of the strange metal phase observed in many correlated systems.…”

Section: −1supporting

confidence: 92%

“…Hence, in view of the fact that this latter relaxation mechanism results in a dc resistivity given by ρ disorder xx ∼ T 2 , we may conclude that the Hall angle at least at optimal doping would also become described by tan θ H ∼ 1/T 2 within this scenario. This could provide a rationale for the explanation of the thus far mysterious separation of lifetimes, which is observed experimentally in many correlated systems reported in the literature 6,7 . Note that the above result for the Hall angle depends crucially on the mechanism for the emergent (exact) particle-hole symmetry that exists in the low-energy fixed point of the hot spot model.…”

Section: −1mentioning

confidence: 57%

“…In this respect, probably the most famous example of a non-Fermi liquid is the strange metal phase 2,3 , which is observed in the cuprate superconductors, but there are many other examples (see, e.g., 4,5 ). Even though such a phase is well-known to exhibit a non-Fermi-liquid dc resistivity that is linear in temperature (T ), the Hall angle θ H is given by tan θ H ∼ 1/T 2 , both inside the pseudogap phase and at optimal doping 2,[6][7][8] . The latter observation indicates, somewhat surprisingly, a conventional scattering rate, which points to a Fermi-liquid-like result.…”

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confidence: 99%

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Calculation of the magnetotransport for a spin-density-wave quantum critical theory in the presence of weak disorder

Freire¹

2017

EPL

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We compute the Hall angle and the magnetoresistance of the spin-fermion model, which is a successful phenomenological theory to describe the physics of the cuprates and iron-based superconductors within a wide range of doping regimes. We investigate both the role of the spin-fermion interaction that couples the large-momentum antiferromagnetic fluctuations to the so-called "hotspots" at the Fermi surface and also of an effective higher-order composite operator in the theory. The latter operator provides a scattering mechanism such that the momentum transfer for the fermions close to the Fermi surface can be small. We also include weak disorder that couples to both the bosonic order-parameter field and the fermionic degrees of freedom. Since the quasiparticle excitations were shown in recent works to be destroyed at the "hot-spots" in the low-energy limit of the model, we employ the Mori-Zwanzig memory-matrix approach that permits the evaluation of all transport coefficients without assuming well-defined Landau quasiparticles in the system. We then apply this transport theory to discuss universal metallic-state properties as a function of temperature and magnetic field of the cuprates from the perspective of their fermiology, which turn out to be in qualitative agreement with key experiments in those materials.

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Section: −1supporting

confidence: 92%

Section: −1mentioning

confidence: 57%

mentioning

confidence: 99%

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Calculation of the magnetotransport for a spin-density-wave quantum critical theory in the presence of weak disorder

Freire¹

2017

EPL

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“…In particular, the model is shown to provide a natural explanation for the non-universal power law behavior of cotΘ H (T ) observed in the Bi-based cuprates. 13,14 Finally, in section IV, justification arguments for this particular choice of scattering rate are presented and the implications of this phenomenological model for the physics of HTC across the phase diagram are discussed, with suggestions for future study. In the process, I challenge two of the previously established paradigms of the normal state in HTC; namely the linear low-T behavior of ρ ab (T ) and the relevance of the non-saturating ρ ab (T ) observed at higher temperatures.…”

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confidence: 99%

The normal state scattering rate in high- cuprates

Hussey

2003

Eur. Phys. J. B

102

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I present a new phenomenological model for the normal state transport properties of high-Tc cuprates. In particular, I identify a form of scattering rate that may account, qualitatively and quantitatively, for the normal state (magneto)-transport properties of Tl2Ba2CuO 6+δ and Bi2Sr2CaCu2O 8+δ from optimal doping through to the overdoped side of the phase diagram. The form of the scattering rate is also consistent with features seen in photoemission spectroscopy in Bi2Sr2CaCu2O 8+δ and offers a new intuitive way to understand the evolution of the temperature dependence of the inverse Hall angle with disorder and with carrier concentration.

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“…The doping evolution of the resistivity is given elsewhere [11]. The above described annealing procedure induces successive changes in the carrier content in the film in a controlled and reversible way [12].…”

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confidence: 99%

Failure of the empirical OCT law in the Bi ₂ Sr ₂ CuO _{6 + δ} compound

Konstantinović¹,

Bras²,

Forget³

et al. 2003

Europhys. Lett.

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Abstract. -We have studied the evolution of the thermoelectric power S(T) with oxygen doping of single-layered Bi 2 Sr 2 CuO 6+δ thin films and ceramics in the overall superconducting (T c , S 290K ) phase diagram. While the universal relation between the room-temperature thermopower S 290K and the critical temperature is found to hold in the strongly overdoped region (δ>0.14), a strong violation is observed in the underdoped part of the phase diagram. The observed behaviour is compared with other cuprates and the different scenarios are discussed.

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Temperature dependence of the Hall effect in single-layer and bilayerBi2Sr2Ca

Cited by 51 publications

References 20 publications

Calculation of the magnetotransport for a spin-density-wave quantum critical theory in the presence of weak disorder

Calculation of the magnetotransport for a spin-density-wave quantum critical theory in the presence of weak disorder

The normal state scattering rate in high- cuprates

Failure of the empirical OCT law in the Bi ₂ Sr ₂ CuO _{6 + δ} compound

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Temperature dependence of the Hall effect in single-layer and bilayerBi2Sr2Ca

Cited by 51 publications

References 20 publications

Calculation of the magnetotransport for a spin-density-wave quantum critical theory in the presence of weak disorder

Calculation of the magnetotransport for a spin-density-wave quantum critical theory in the presence of weak disorder

The normal state scattering rate in high- cuprates

Failure of the empirical OCT law in the Bi 2 Sr 2 CuO 6 + δ compound

Contact Info

Product

Resources

About

Failure of the empirical OCT law in the Bi ₂ Sr ₂ CuO _{6 + δ} compound