396 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Kyoto UniversityJP38 papers
- The University of TokyoJP29 papers
- Nagoya UniversityJP26 papers
- Kyushu UniversityJP24 papers
- The University of OsakaJP24 papers
- Tokai UniversityJP24 papers
- Boston UniversityUS23 papers
- California State University, Dominguez HillsUS23 papers
- Chonnam National UniversityKR23 papers
- Duke UniversityUS23 papers
- Gifu UniversityJP23 papers
- Institute for Cosmic Ray ResearchJP23 papers
53 papers · 1 filter
Instability of holographic cold compact stars with a color superconducting core
Kazuo Ghoroku, Kouji Kashiwa, Yoshimasa Nakano +2
We study a holographic model of quantum chromodynamics, which can describe a color superconductor and a dilute nucleon gas phase. The two phases are adjoined in the phase diagram a…
Stiff equation of state for a holographic nuclear matter as instanton gas
Kazuo Ghoroku, Kouji Kashiwa, Yoshimasa Nakano +2
In a holographic model, which was used to investigate the color superconducting phase of QCD, a dilute gas of instantons is introduced to study the nuclear matter. The free energy…
Extension to Imaginary Chemical Potential in a Holographic Model
Kazuo Ghoroku, Kouji Kashiwa, Yoshimasa Nakano +2
We extend a bottom up holographic model, which has been used in studying the color superconductivity in QCD, to the imaginary chemical potential () region, and the phase diagr…
Color Superconductivity in Holographic SYM Theory
Kazuo Ghoroku, Kouji Kashiwa, Yoshimasa Nakano +2
A holographic bottom-up model used in studying the superconducting system is applied to search for the color superconducting phase of supersymmetric Yang-Mills theory. We apply the…
Tunneling in Quantum Cosmology and Holographic SYM theory
Kazuo Ghoroku, Yoshimasa Nakano, Motoi Tachibana +1
We study the time evolution of early universe which is developed by a cosmological constant and supersymmetric Yang-Mills (SYM) fields in the Friedmann-Robertson-Walker (FRW)…
Holographic Cosmology and Phase Transitions of SYM theory
Kazuo Ghoroku, Rene Meyer, Fumihiko Toyoda
We study the time development of strongly coupled supersymmetric Yang Mills (SYM) theory on cosmological Friedmann-Robertson-Walker (FRW) backgrounds via the AdS/CFT c…
Holographic Schwinger Effect and Chiral condensate in SYM Theory
Kazuo Ghoroku, Masafumi Ishihara
We study the instability, for the supersymmetric Yang-Mills (SYM) theories, caused by the external electric field through the imaginary part of the action of the D7 probe brane, wh…
Accelerated quarks and energy loss in confinement theory
Kazuo Ghoroku, Kouki Kubo
We study the energy loss rate (ELR) of the accelerated quark in terms of the holographic models for the two different motions, linear acceleration and uniform rotation. They are ex…
Entanglement temperature for the excitation of SYM theory in (De)confinement phase
Kazuo Ghoroku, Masafumi Ishihara
We study the holographic supersymmetric Yang-Mills (SYM) theory, which is living in a hyperbolic space, in terms of the entanglement entropy. The theory contains a parameter ()…
Chiral Symmetry of SYM theory in hyperbolic space at finite temperature
Kazuo Ghoroku, Masafumi Ishihara, Motoi Tachibana +1
We study a holographic gauge theory living in the AdS space-time at finite temperature. The gravity dual is obtained as a solution of the type IIB superstring theory with two f…
Glueball instability and thermalization driven by dark radiation
Kazuo Ghoroku, Masafumi Ishihara, Akihiro Nakamura +1
We study glueballs in the holographic gauge theories living in a curved space-time. The dual bulk is obtained as a solution of the type IIB superstring theory with two parameters,…
Holographic cold nuclear matter and neutron star
Kazuo Ghoroku, Kouki Kubo, Motoi Tachibana +1
We have previously found a new phase of cold nuclear matter based on a holographic gauge theory, where baryons are introduced as instanton gas in the probe D8/ b…
Ad with two boundaries and holography of 4 SYM theory
Kazuo Ghoroku, Masafumi Ishihara, Akihiro Nakamura
According to the AdS/CFT correspondence, the supersymmetric Yang-Mills (SYM) theory is studied through its gravity dual whose configuration has two boundaries at the o…
Holographic Friedmann Equation and 4 SYM theory
Kazuo Ghoroku, Akihiro Nakamura
According to the AdS/CFT correspondence, the supersymmetric Yang-Mills (SYM) theory has been studied by solving the dual supergravity. In solving the bulk Einstein equ…
Holographic cold nuclear matter as dilute instanton gas
Kazuo Ghoroku, Kouki Kubo, Motoi Tachibana +2
We study cold nuclear matter based on the holographic gauge theory, where baryons are introduced as the instantons in the probe D8/D8 branes according to the Sakai-Sugimoto model.…
Holographic Cosmological Backgrounds, Wilson Loop (De)confinement and Dilaton Singularities
Johanna Erdmenger, Kazuo Ghoroku, Rene Meyer +1
We review a construction of holographic geometries dual to N=4 SYM theory on a Friedmann-Robertson-Walker background and in the presence or absence of a gluon condensate and instan…
Holographic Glueballs and Infrared Wall Driven by Dilaton
Kazuo Ghoroku, Kouki Kubo, Tomoki Taminato +1
We study glueballs in the holographic gauge theories, supersymmetric and non-super symmetric cases, which are given by the type IIB superstring solutions with non-trivial dilaton.…
Holographic (De)confinement Transitions in Cosmological Backgrounds
Johanna Erdmenger, Kazuo Ghoroku, Rene Meyer
For type IIB supergravity with a running axio-dilaton, we construct bulk solutions which admit a cosmological background metric of Friedmann-Robertson-Walker type. These solutions…
Holographic Approach to Regge Trajectory and Rotating D5 brane
Kazuo Ghoroku, Tomoki Taminato, Fumihiko Toyoda
We study the Regge trajectories of holographic mesons and baryons by considering rotating strings and D5 brane, which is introduced as the baryon vertex. Our model is based on the…
Accelerated Quark and Holography for Confining Gauge theory
Kazuo Ghoroku, Masafumi Ishihara, Kouki Kubo +1
We show a constantly accelerated quark as a string solution of the Nambu-Goto action, which is embedded in the bulk background dual to the supersymmetric confining Y…
Holographic Penta and Hepta Quark State in Confining Gauge Theories
Kazuo Ghoroku, Akihiro Nakamura, Tomoki Taminato +1
We study a new embedding solutions of D5 brane in an asymptotic AdS space-time, which is dual to a confining gauge theory. The D5 brane is wrapped on $S^5…
Holographic Confining Gauge theory and Response to Electric Field
Kazuo Ghoroku, Masafumi Ishihara, Tomoki Taminato
We study the response of confining gauge theory to the external electric field by using holographic Yang-Mills theories in the large limit. Although the theories are in the c…
Stability of D brane Anti D brane Systems in Confining Gauge Theories
Kazuo Ghoroku, Akihiro Nakamura, Fumihiko Toyoda
We study the stability of a special form of D brane embedding which is regarded as a bound state of D and anti-D-brane embedded in a 10D supergravity background which is du…
Baryonium in Confining Gauge Theories
Kazuo Ghoroku, Masafumi Ishihara, Akihiro Nakamura +1
We show a new class of embedding solutions of D5 brane, which wraps on in the AdS space-time and contains fundamental strings as U(1) flux to form a baryon ve…