Erratum: Rotational band on a three-quasineutron isomer in 
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 [Phys. Rev. C 
<b>97</b>
, 054311 (2018)]

Chakraborty, S.; Sharma, H. P.; Tiwary, S. S.; Majumder, Chiranjib; Banerjee, P.; Ganguly, S.; Rai, S.; Pragati,; Modi, Swati; Arumugam, P.; Mayank, .; Kumar, Suresh; Palit, R.; Kumar, Ashok; Bhattacharjee, S. S.; Singh, R. P.; Muralithar, S.

doi:10.1103/physrevc.98.059902

Cited by 4 publications

(14 citation statements)

References 2 publications

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“…Accounting for this phase requires to break the exact SU(2) symmetry underlying the NLσM by an amount of roughly 5%. As a conclusion, an SU(2) emergent symmetry and its NLσM can account for the whole phase diagram owing to the fact that it is broken by 5% [35].…”

Section: B-t Phase Diagrammentioning

confidence: 89%

“…[7] FIG. 2: The schematic phase diagram of cuprates superconductors as a function of hole doping [35]. On the left hand side, for 0 < p < 0.06, the system has an AF phase.…”

Section: Mott Physics and Strongly Correlated Electronsmentioning

confidence: 99%

“…This leads us to a second set of experimental evidence, explicitly the phase diagram in the presence of an applied magnetic field as described in Figs.5a, 5b [35,80]. For the compound YBCO, a phase diagram could be derived as a function of an applied magnetic field up to roughly 20T .…”

Section: B-t Phase Diagrammentioning

confidence: 99%

“…The shape of the lines is done with ultrasound experiments. b) Schematic phase diagram described through the SU(2) theory for competition between charge modulations and Cooper pairing[35].CDW states are the generators of an O(3) Lie algebra…”

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confidence: 99%

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Fluctuations and the Higgs Mechanism in Underdoped Cuprates

Pépin

Chakraborty

Grandadam

et al. 2020

Annu. Rev. Condens. Matter Phys.

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The physics of the pseudo-gap phase of high temperature cuprate superconductors has been an enduring mystery in the past thirty years. The ubiquitous presence of the pseudo-gap phase in under-doped cuprates suggests that its understanding holds a key in unraveling the origin of high temperature superconductivity. In this paper, we review various theoretical approaches to this problem, with a special emphasis on the concept of emergent symmetries in the under-doped region of those compounds. We differentiate the theories by considering a few fundamental questions related to the rich phenomenology of these materials. Lastly we discuss a recent idea of two kinds of entangled preformed pairs which open a gap at the pseudo-gap onset temperature T * through a specific Higgs mechanism. We give a review of the experimental consequences of this line of thoughts.The Pseudo-Gap (PG) state of the cuprates was discovered in 1989 [1], three years after the discovery of high temperature superconductivity in those compounds. It was first observed in nuclear magnetic resonance (NMR) experiments, in an intermediate doping regime 0.06 < p < 0.20, as a loss of the density of states at the Fermi level [1-3] at temperatures above the superconducting transition temperature T c . Subsequently, angle resolved photo emission spectroscopy (ARPES) established that a part of the Fermi surface is gapped in the Anti-Nodal Region (ANR) (regions close to (0, ±π) and (±π, 0) points) of the Brillouin zone, leading to the formation of Fermi 'arcs'. Though the PG state shows behaviors of a metal, the appearance of Fermi 'arcs' instead of a full Fermi surface results into the violation of the conventional Luttinger theorem of Fermi liquid theory. Furthermore, surface spectroscopies like ARPES (see e.g. [4][5][6][7][8]) and scanning tunneling spectroscopy [9][10][11] show that the magnitude of the anti-nodal (AN) gap is unchanged when entering the superconducting (SC) phase below T c (see Fig. 1a). The PG state persists up to a temperature T * which decreases linearly with doping. The AN gap is also visible in two-body spectroscopy, for example in the B 1g channel of Raman scattering [12][13][14], which shows that below T c , the pair breaking gap of superconductivity follows the T * line with doping, in good agreement with the AN gap observed in ARPES. In contrast to the SC phase, the PG state is found to be independent of disorder or magnetic field. Despite of numerous invaluable experimental and theoretical investigations over the last three decades, various puzzles of the PG state remains to be solved.In this paper, we review three different theoretical per-spectives to the PG state of cuprate superconductors.We then focus on one specific theoretical approach where fluctuations protected by a specific Higgs mechanism are held responsible for the unusual properties of the pseudogap phase.

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Section: B-t Phase Diagrammentioning

confidence: 89%

“…[7] FIG. 2: The schematic phase diagram of cuprates superconductors as a function of hole doping [35]. On the left hand side, for 0 < p < 0.06, the system has an AF phase.…”

Section: Mott Physics and Strongly Correlated Electronsmentioning

confidence: 99%

Section: B-t Phase Diagrammentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Fluctuations and the Higgs Mechanism in Underdoped Cuprates

Pépin

Chakraborty

Grandadam

et al. 2020

Annu. Rev. Condens. Matter Phys.

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“…Rotational bands with large transition quadrupole moments have been observed in 125 Xe [13] at high spins. Recently, rotational band on a three quasineutron isomer and rotational alignment of a pair of neutron in h 11/2 have been observed in 127 Xe [14,15]. The band structures in 129 Xe [16] have demonstrated triaxial shapes.…”

Section: Introductionmentioning

confidence: 98%

Revealing multiple band structures in Xe131 from α -induced reactions

et al. 2020

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Gamma spectroscopy with AGATA in its first phases: New insights in nuclear excitations along the nuclear chart

Bracco

Duchêne

Podolyák

et al. 2021

Progress in Particle and Nuclear Physics

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The Advanced GAmma Tracking Array (AGATA), the new generation high-resolution γray spectrometer, has seen the realization of the first phases of its construction and exploitation. A number of nuclear structure studies based on experiments utilizing the principle of γ -ray tracking were carried out in this decade. The combination of highest detection efficiency and position sensitivity allowed very selective spectroscopic studies with stable beams and the use of instable ion beams with the lowest intensities. Nuclear-structure studies commenced already at INFN-LNL (Legnaro, Italy) with a first implementation of the array consisting of five AGATA modules. A larger array of AGATA modules was used at GSI (Darmstadt, Germany) for experiments with unstable ion beams at relativistic energies. The spectrometer was then mounted in a beam line at GANIL (Caen, France). This review discusses several of the obtained results, underlying the progress made and future perspectives. The performed experiments give insights into nuclear structure issues which are connected to single particles, collective degrees of freedom, nucleon interactions and symmetries. Most of the investigated nuclei are located outside the stability line and for stable nuclei the investigations concern unexplored configurations. Altogether the obtained results represent advances which could test theory in exclusive way and motivate new theoretical developments.Opportunities for further γ -ray spectroscopy with the foreseen more advanced phase of the AGATA emerge in the discussions of the presented data.

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Erratum: Rotational band on a three-quasineutron isomer in Xe127 [Phys. Rev. C 97 , 054311 (2018)]

Cited by 4 publications

References 2 publications

Fluctuations and the Higgs Mechanism in Underdoped Cuprates

Fluctuations and the Higgs Mechanism in Underdoped Cuprates

Revealing multiple band structures in Xe131 from α -induced reactions

Gamma spectroscopy with AGATA in its first phases: New insights in nuclear excitations along the nuclear chart

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