Erratum: Fermi-Liquid Ground State in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi></mml:math>-Type<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow><mml:mi mathvariant="normal">P</mml:mi><mml:mi mathvariant="normal">r</mml:mi></mml:mrow><mml:mn>0.91</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">L</mml:mi><mml:mi mathvariant="normal">a</mml:mi><mml:mi mathvariant="normal">C</mml:mi><mml:mi ma

Zheng, Guangming; Sato, Takafumi; Kitaoka, Y.; Fujita, M.; Yamada, Kōsaku

doi:10.1103/physrevlett.91.109903

Cited by 29 publications

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“…It is also remarked here that the k-region where the heavy-mass QP state is observed coincides with the k-region where a large d-wave superconducting gap opens [13]. This suggests that the superconductivity in electron-doped HTSCs occurs in the antifferomagnetically correlated QP state [14]. The present experimental…”

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confidence: 49%

Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13C
Matsui
¹
,
Terashima
²
,
Sato
³

et al. 2005
Phys. Rev. Lett.
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We performed high-resolution angle-resolved photoemission spectroscopy on Nd1.87Ce0.13CuO4, which is located at the boundary of the antiferromagnetic (AF) and the superconducting phase. We observed that the quasiparticle (QP) effective mass around (π, 0) is strongly enhanced due to the opening of the AF gap. The QP mass and the AF gap are found to be anisotropic, with the largest value near the intersecting point of the Fermi surface and the AF zone boundary. In addition, we observed that the QP peak disappears around the Néel temperature (TN ) while the AF pseudogap is gradually filled up at much higher temperatures, possibly due to the short-range AF correlation.Since the discovery of cuprate high-temperature superconductors (HTSCs), intensive experimental and theoretical studies have been performed to elucidate the origin and mechanism of the anomalously high superconducting (SC) transition temperature. It is now widely accepted that electrons or holes doped into the parent Mott insulator interact antiferromagnetically with each other on the quasi-two dimensional CuO 2 plane. Although it has been suggested that the antiferromagnetic (AF) interaction plays an essential role for pairing of electrons (holes) in the SC state, it is still unclear how the antiferromagnetism interplays with the superconductivity at the microscopic level. This problem is a central issue not only in HTSCs but also in other exotic superconductors such as heavy-fermion and organic-salt superconductors. In the phase diagram of electron-doped cuprates, the AF and SC phases are adjacent to each other or somewhat overlap at the boundary, in contrast to the hole-doped case where the two phases are well separated [1]. The proximity or overlapping between the AF and SC phases in the electron-doped cuprates yields a good opportunity for studying the interplay between the AF interaction and the superconductivity [2,3,4,5]. In fact, a recent elastic neutron-scattering experiment reported a competitive nature between the AF long-range order and the superconductivity [2]. On the other hand, an inelastic neutron scattering experiment observed coexistence of the gapped commensurate spin fluctuation and the superconductivity [3]. In contrast to these intensive studies on the "qresolved" spin dynamics by neutron scattering, a limited number of photoemission studies on the "k-resolved" electronic structure have been reported for electron-doped cuprates [6,7]. The k-dependence of the AF correlation effect on the electronic structure is essential to understand the interplay between the antiferromagnetism and the superconductivity.In this Letter, we report high-resolution angle-resolved photoemission spectroscopy (ARPES) on electron-doped cuprate Nd 1.87 Ce 0.13 CuO 4 (NCCO, x = 0.13) located at the phase boundary between the AF and SC phases. We found the mass-renormalized quasiparticle (QP) state near (π, 0), which gradually evolves into the high-energy gap [6] around the hot spot. The observed continuous evolution of the electronic structure near the Fe...

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confidence: 49%

Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13C
Matsui
¹
,
Terashima
²
,
Sato
³

et al. 2005
Phys. Rev. Lett.
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127
11
41
2
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“…On the other hand, the field-induced AF order around SC vortices is predicted for both hole-and electron-doped cuprates [31]. We note that the upper critical field of optimally-doped PLCCO is comparable to the value at which the field dependence of both magnetic intensity at T =3 K and T m show a peak [28]. Thus, the origin of the simultaneous suppression of magnetic intensity and T m at high fields beyond 5 T is important to understand the magnetic field effect on high-T c cuprates.…”

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confidence: 66%

“…We note that the linear relation between the Néel temperature and the staggered moment and their large field effect are often seen in the weak itinerant antiferromagnets and theoretically interpreted within the Fermi liquid framework [27]. A recent nuclear magnetic resonance study [28] for optimally doped PLCCO also predicted the Fermi-liquid ground state. Therefore, the magnetism in the n-type cuprate near the AF-SC phase boundary can be regarded as the weak itinerant antiferromagnet, in contrast to that in the hole doped cuprates in which magnetic interaction is robust against doping due to the charge segregation into stripes [29,30].…”

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confidence: 92%

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Magnetic Field Effect on the Static Antiferromagnetism of the Electron-Doped SuperconductorPr1−xLaC
Fujita
¹
,
Matsuda
²
,
Katano
³

et al. 2004
Phys. Rev. Lett.
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Effects of magnetic fields (applied along the c-axis) on static spin correlation were studied for the electron-doped superconductors Pr1−xLaCexCuO4 with x=0.11 (Tc=26 K) and x=0.15 (Tc=16 K) by neutron scattering measurements. In the x=0.11 sample located near the antiferromagnetic(AF) and superconducting phase boundary, the field dependence of both the magnetic intensity at T=3 K and the onset temperature of the magnetic order exhibits a peak at ∼5 T. In contrast, in the overdoped x=0.15 sample a static AF order is neither observed at zero-field nor induced by the field up to 8.5 T. Difference and similarity of the field effect between the hole-and electron-doped high-Tc cuprates are discussed.PACS numbers: 74.72. Jt, 74.25.Ha, 75.50.Ee, 61.12.Ld Magnetism in lamellar copper oxides is widely believed to play an important role in the mechanism of high-T c superconductivity [1]. Extensive neutron scattering measurements have indeed shown an intimate relation between incommensurate (IC) low-energy spin fluctuations observed in the hole-doped (p-type) La 2−x Sr x CuO 4 (LSCO) [2,3,4] and their superconductivity [5]. Recentlly, neutron scattering study on the superconducting (SC) LSCO with x∼1/8 and excess-oxygen doped La 2 CuO 4+y revealed an enhancement of the long-ranged IC magnetic order by magnetic fields applied along the c-axis [6,7,8,9]. Lake et al., furthermore, found field-induced slow spin fluctuations below a spin-gap energy, which shows a tendency toward the magnetic order, in the optimally doped LSCO [10]. These authors discussed that the antiferromagnetic (AF) insulator with IC correlations is a possible ground state after vanishing the superconductivity, as supported by theoretical studies [11,12,13]. Thus, in order to clarify the universal nature of magnetism hidden behind the superconductivity, it is necessary to investigate whether the AF order is commonly observed by suppressing the superconductivity.Important challenges have been made on the prototypical electron-doped (n-type) system of Nd 2−x Ce x CuO 4 (NCCO) which shows commensurate spin fluctuations at the tetragonal (1/2 1/2 0) reciprocal-lattice position in both AF and SC phases [14]. In Nd 1.86 Ce 0.14 CuO 4 , at least down to 15 K Matsuda et al. observed no field effect on the AF order which coexists or phase separates with the bulk superconductivity[15] , whereas Kang et al. subsequently reported a field-enhanced huge magnetic intensity for Nd 1.85 Ce 0.15 CuO 4 and asserted the AF order as a competing ground state with the superconductivity, irrespective of carrier type [16]. This discrepancy could be originated from drastic(first-order like) doping dependence of the static magnetism near the boundary between AF and SC phases [17,18]. However, since the bulk superconductivity with identical T c of 26 K as well as the AF order appears in both samples, field-effects on the AF order and the superconductivity are still controversial. Furthermore, a effect on Nd 3+ spins is expected to be significant in NCCO, and therefore, the results ...

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“…In conventional metals, superconductivity develops out of a Fermi liquid state. This is also true in the electron-doped n-type cuprates [2]. However, in the normal state of p-type cuprates, there is an intriguing phenomenon called a pseudogap state, in which the density of states (DOS) is depleted upon decreasing temperature (T ) below a characteristic temperature T * [3].…”

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confidence: 99%

Carrier-Concentration Dependence of the Pseudogap Ground State of SuperconductingBi2Sr2−xLaxCuO6+δ
Kawasaki
¹
,
Lin
²
,
Kuhns
³

et al. 2010
Phys. Rev. Lett.
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We report the results of the Knight shift by 63,65 Cu-nuclear-magnetic resonance (NMR) measurements on single-layered copper-oxide Bi2Sr2−xLaxCuO 6+δ conducted under very high magnetic fields up to 44 T. The magnetic field suppresses superconductivity completely and the pseudogap ground state is revealed. The 63 Cu-NMR Knight shift shows that there remains a finite density of states (DOS) at the Fermi level in the zero-temperature limit, which indicates that the pseudogap ground state is a metallic state with a finite volume of Fermi surface. The residual DOS in the pseudogap ground state decreases with decreasing doping (increasing x) but remains quite large even at the vicinity of the magnetically ordered phase of x ≥ 0.8, which suggests that the DOS plunges to zero upon approaching the Mott insulating phase.

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Erratum: Fermi-Liquid Ground State in then-TypePr0.91LaC

Cited by 29 publications

References 0 publications

Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13C
Matsui
¹
,
Terashima
²
,
Sato
³

et al. 2005
Phys. Rev. Lett.
Self Cite
127
11
41
2
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Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13C
Matsui
¹
,
Terashima
²
,
Sato
³

et al. 2005
Phys. Rev. Lett.
Self Cite
127
11
41
2
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Magnetic Field Effect on the Static Antiferromagnetism of the Electron-Doped SuperconductorPr1−xLaC
Fujita
¹
,
Matsuda
²
,
Katano
³

et al. 2004
Phys. Rev. Lett.
Self Cite
31
3
26
2
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Carrier-Concentration Dependence of the Pseudogap Ground State of SuperconductingBi2Sr2−xLaxCuO6+δ
Kawasaki
¹
,
Lin
²
,
Kuhns
³

et al. 2010
Phys. Rev. Lett.
Self Cite
92
23
103
1
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Erratum: Fermi-Liquid Ground State in then-TypePr0.91LaC

Cited by 29 publications

References 0 publications

Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13CMatsui1, Terashima2, Sato3 et al. 2005Phys. Rev. Lett.Self Cite12711412View full textAdd to dashboardCite

Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13CMatsui1, Terashima2, Sato3 et al. 2005Phys. Rev. Lett.Self Cite12711412View full textAdd to dashboardCite

Magnetic Field Effect on the Static Antiferromagnetism of the Electron-Doped SuperconductorPr1−xLaCFujita1, Matsuda2, Katano3 et al. 2004Phys. Rev. Lett.Self Cite313262View full textAdd to dashboardCite

Carrier-Concentration Dependence of the Pseudogap Ground State of SuperconductingBi2Sr2−xLaxCuO6+δKawasaki1, Lin2, Kuhns3 et al. 2010Phys. Rev. Lett.Self Cite92231031View full textAdd to dashboardCite

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Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13C
Matsui
¹
,
Terashima
²
,
Sato
³

et al. 2005
Phys. Rev. Lett.
Self Cite
127
11
41
2
View full text Add to dashboard Cite

Angle-Resolved Photoemission Spectroscopy of the Antiferromagnetic SuperconductorNd1.87Ce0.13C
Matsui
¹
,
Terashima
²
,
Sato
³

et al. 2005
Phys. Rev. Lett.
Self Cite
127
11
41
2
View full text Add to dashboard Cite

Magnetic Field Effect on the Static Antiferromagnetism of the Electron-Doped SuperconductorPr1−xLaC
Fujita
¹
,
Matsuda
²
,
Katano
³

et al. 2004
Phys. Rev. Lett.
Self Cite
31
3
26
2
View full text Add to dashboard Cite

Carrier-Concentration Dependence of the Pseudogap Ground State of SuperconductingBi2Sr2−xLaxCuO6+δ
Kawasaki
¹
,
Lin
²
,
Kuhns
³

et al. 2010
Phys. Rev. Lett.
Self Cite
92
23
103
1
View full text Add to dashboard Cite