The relationship of the XY model, which arises from a C4 " image, to the phase transition in the rare-earth molybdate Tb2(Mo04)3 (TMO) is discussed. We point out that this model does not describe the TMO transition, but that a Landau expansion arising from a C4 image is the appropriate free-energy model. Recently, Galam' considered phase transitions occurring in the XY model with cubic anisotro...

Infertility is one of the most significant human health problems reproductive years. The causes infertility are diverse and numerous-including non-genetic genetic factors. A review this case confirmed this. balanced translocation was found in two siblings diagnosed with azoospermia. After being unable to conceive, older brother his wife had vitro fertilization (IVF) failed. At same time, younge...

We report measurements of thermal expansion on a number of polycrystalline Cu(x)TiSe(2) samples corresponding to the parts of x-T phase diagram with different ground states, as well as the pressure dependence of the superconducting transition temperature, T(c), for samples with three different values of Cu doping. Thermal expansion data suggest that the x-T phase diagram may be more complex tha...

We consider the 2D J 1 −J 2 classical XY model on a square lattice. In the frustrated phase corresponding to J 2 > J 1 /2, an Ising order parameter emerges by an " order due to disorder " effect. This leads to a discrete symmetry plus the O(2) global one. We formulate the problem in a Coulomb gas language and show by a renormalization group analysis that only two phases are still possible: a lo...

We investigate the multicritical behavior of three-dimensional Z_2 gauge Higgs model, at point (MCP) its phase diagram, where one first-order transition line and two continuous Ising-like lines meet. The duality properties model determine some features MCP located along self-dual line. Moreover, we argue that system develops a XY MCP, which is controlled by stable fixed Landau-Ginzburg-Wilson f...

We investigate a population of swarmalators, mobile versions phase oscillators that both sync in time and swarm through space. focus on an $XY$-type model identical swarmalators running one-dimensional ring subject to thermal noise. uncover four distinct collective states, some which capture the behavior real-world such as vinegar eels sperm. Among these, most intriguing is ``mixed state,'' ble...

Sex determination in mammals is controlled by the presence or absence of the Y-linked gene SRY. In the developing male (XY) gonad, sex-determining region of the Y (SRY) protein acts to up-regulate expression of the related gene, SOX9, a transcriptional regulator that in turn initiates a downstream pathway of testis development, whilst also suppressing ovary development. Despite the requirement ...

OBJECTIVE To study the meiotic abnormalities during prophase I in an azoospermic man with t(1;21) reciprocal translocation. DESIGN Analysis of synapses, recombination, and transcription inactivation in a testicular biopsy sample. SETTING Research laboratory. PATIENT(S) One azoospermic patient with t(1;21) and five men with normal spermatogenesis. INTERVENTION(S) Immunostaining for SCP3,...

In this manuscript we investigate the one-dimensional anisotropic XY model with ferromagnetic and antiferromagnetic interactions, which gives more interesting phase diagram dynamic critical behaviors. By using quantum renormalization-group method, find that there are three phases in system: Ising ordered “x direction”, spin-fluid “y direction”. order to study dynamical behaviors of system, two ...