The molecular systems composed of the charmed mesons in the 
                
                  
                
                $H\bar{S}+h.c.$
               doublet

Lei‐Lei, Shen; Chen, Xiaolin; Luo, Zhi-Gang; Huang, Peng-Zhi; Zhu, Shi-Lin; Yu, P. r.; Liu, Xiang

doi:10.1140/epjc/s10052-010-1441-0

Cited by 35 publications

(19 citation statements)

References 30 publications

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“…The normalized wave functions of bound state can be introduced as |φ = N|ψ with 10) and the wave function in 3-dimension normalized to d 3 p|φ| 2 = 1.…”

Section: Summary and Discussionmentioning

confidence: 99%

“…(9)(10)(11)(12)(13)(14) and the propagator of X/Y which involves Breit-Wigner mass m and width Γ. With a constant background L bk = Cg µν , the square of the amplitude can be written as,…”

Section: The J/ψφ Invariant Mass Spectrummentioning

confidence: 99%

“…In [10], a systemic study of D sDs0 (2317) in one-boson-exchange (OBE) model have been done. It has been suggested in the literatures with one-boson-exchange (OBE) model and QCD sum rule that the structure Y (4274) can be assigned as a S-wave D sDs0 (2317) molecular state with bound energy about 10 MeV with a internal structure (|D…”

Section: Introductionmentioning

confidence: 99%

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Understanding and in the invariant mass spectrum

Lu²

2013

Nuclear Physics A

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“…The normalized wave functions of bound state can be introduced as |φ = N|ψ with 10) and the wave function in 3-dimension normalized to d 3 p|φ| 2 = 1.…”

Section: Summary and Discussionmentioning

confidence: 99%

Section: The J/ψφ Invariant Mass Spectrummentioning

confidence: 99%

See 1 more Smart Citation

Understanding and in the invariant mass spectrum

Lu²

2013

Nuclear Physics A

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“…The proximity of their masses to the thresholds inspired molecular explanations of these structures [196,215,216,202,217,218,219,220,221,222,223,224,225,203,226,200,227,228,229,230,231,232,233,234,235,236,237,238,239]. With the refinement of the meson exchange model, many subtle aspects of this framework were investigated, such as the S-D wave mixing effect [185,197], coupled-channel effect [240,241,242], and recoil correction [243,244].…”

Section: The Meson Exchange Modelmentioning

confidence: 99%

The hidden-charm pentaquark and tetraquark states

et al. 2016

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In the past decade many charmonium-like states were observed experimentally. Especially those charged charmoniumlike Z c states and bottomonium-like Z b states can not be accommodated within the naive quark model. These charged Z c states are good candidates of either the hidden-charm tetraquark states or molecules composed of a pair of charmed mesons. Recently, the LHCb Collaboration discovered two hidden-charm pentaquark states, which are also beyond the quark model. In this work, we review the current experimental progress and investigate various theoretical interpretations of these candidates of the multiquark states. We list the puzzles and theoretical challenges of these models when confronted with the experimental data. We also discuss possible future measurements which may distinguish the theoretical schemes on the underlying structures of the hidden-charm multiquark states.

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“…Dietl suggested that a p-type ZnO-based magnetic semiconductor would have a high Curie temperature (T C ) [4], and there have been many reports on the magnetic properties of this semiconductor with widely varying T C 's. However, the microscopic origin of magnetic properties is still controversial in ZnO-based systems [5][6][7][8][9][10] where clustering of Co is a common problem that leads to coexistent magnetic and semiconducting properties, but not a magnetic semiconductor [11].Multilayer structures have been proposed in a number of studies in connection with spin injection including attempts at doping of ZnO using a (Co/ZnO) multilayer structure [12,13]. At room temperature, magneto-optical Kerr rotation was observed on annealed [Co/ZnO] multilayer samples but is likely due to ferromagnetic (FM) Co clusters [14].…”

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confidence: 99%

Electron-Mediated Ferromagnetic Behavior inCoO/ZnOMultilayers

et al. 2013

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CoO/Al-doped ZnO (AZO) multilayers exhibit ferromagnetism up to ~ 300 K. The magnetic behavior oscillates with odd versus even number of Co layers in the insulating antiferromagnetic CoO and (separately) with the thickness of the AZO layers, and vanishes if AZO is replaced by intrinsic ZnO. Magnetization is due to uncompensated (111) ferromagnetic planes of insulating CoO for odd numbers of atomic planes per layer which are coupled together via RKKY exchange mediated by electron carriers in the non-magnetic AZO layers. The period of the oscillation with AZO thickness qualitatively matches the Fermi wavevector calculated from the carrier concentration measured by ordinary Hall effect. Magnetic polarization of the AZO carriers is confirmed via anomalous Hall effect which is proportional to the magnetization. (Ga,Mn)As has been thoroughly investigated as a candidate for spin injection and has shown clear spin transference in magnetic, transport, and optical measurements [2]. However, the working temperature of these materials is less than 150 K, making it unsuitable for room temperature applications [2]. Dietl suggested that a p-type ZnO-based magnetic semiconductor would have a high Curie temperature (T C ) [4], and there have been many reports on the magnetic properties of this semiconductor with widely varying T C 's. However, the microscopic origin of magnetic properties is still controversial in ZnO-based systems [5][6][7][8][9][10] where clustering of Co is a common problem that leads to coexistent magnetic and semiconducting properties, but not a magnetic semiconductor [11].Multilayer structures have been proposed in a number of studies in connection with spin injection including attempts at doping of ZnO using a (Co/ZnO) multilayer structure [12,13]. At room temperature, magneto-optical Kerr rotation was observed on annealed [Co/ZnO] multilayer samples but is likely due to ferromagnetic (FM) Co clusters [14]. Recently, we demonstrated ferromagnetism below 10 K via electron carriers in a (Zn,Co)O-based field-effect transistor [15] with low concentration Co uniformly distributed in ZnO. Ferromagnetism was created via gatecontrolled electron concentration and measured using the anomalous Hall effect (AHE), but was limited to below 10 K.In order to increase T C while avoiding Co clusters, we propose a (CoO/ZnO) multilayer system. CoO is a known insulating antiferromagnet (AFM) with Néel temperature of ~300 K. The (111) planes are ferromagnetic (FM) with antiferromagnetic coupling between these planes [16].The moments in the FM (111) planes are canted along the <11-7> directions, making an angle of 23.85º out of the (111) plane [17]. By growing epitaxial CoO (111) films with a precisely controlled number of planes, we create FM surfaces of CoO; even numbers of planes have zero net moment, while odd numbers have an uncompensated plane of FM spins. The resistivity in the ZnO layers is controlled by Al doping; 2 at.% Al in ZnO (AZO) produces conducting behavior [18]. By creating a multilayer structure of an...

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The molecular systems composed of the charmed mesons in the $H\bar{S}+h.c.$ doublet

Cited by 35 publications

References 30 publications

Understanding and in the invariant mass spectrum

Understanding and in the invariant mass spectrum

The hidden-charm pentaquark and tetraquark states

Electron-Mediated Ferromagnetic Behavior inCoO/ZnOMultilayers

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