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Job Satisfaction in Operating Room Technician of Hamadan University of Medical Sciences’ Hospitals, 2012
Mohammad Asgari,Ali Rafat,Vahid Rashedi
Pajouhan Scientific Journal , 2012,
Abstract: Introduction: One of the main pillars of stability of organization is its employees' job satisfaction. This study has been conducted in order to determine job satisfaction in operating room technician of Hamadan University of medical sciences’ hospitals, 2012.Material and Methods: In this cross-sectional descriptive-analytic study, 104 operating room technician of Hamadan University of medical sciences’ hospitals were selected through random sampling. Date collection was carried out through Job Satisfaction Questionnaire and a demographic questionnaire. The informed consents were taken from the participants. To analyze the data SPSS were applied.Results: Results indicated job satisfaction in operating room technician of Hamadan University of medical sciences’ hospitals were moderate to low, and the analysis showed that there wasn’t significant relationship between job satisfaction and factors such as age, background, gender, marital status and shift.Conclusion: Due to the low job satisfaction in this study, results should be reported to managers and the relevant authorities, it should be considered in planning for the future, because increase job satisfaction improve the quality of services, and it led to health development in the country.
Loneliness and internet addiction in students of Hamadan University of medical sciences
Ali Rafat,Nahid Norouzi,Mohammad Javad Khademi,Vahid Rashedi
Pajouhan Scientific Journal , 2013,
Abstract: Introduction: This study intends to determine the relationship between loneliness and internet addiction in students of Hamadan University of medical sciences in 2013.Material and Methods: In this cross-sectional descriptive-analytic study, students of Hamadan University of medical sciences were research population that sample involved 130 people which have been selected through random sampling. To gather the data, Loneliness Scale and Internet Addiction Questionnaire was used as well as demographic variables questionnaire. To analyze the data SPSS was used.Results: The findings revealed the characteristics of the research population as follows: high internet addiction and relatively loneliness. Results showed significant relationship between the internet addiction and age, term and level of education, also factors such as marital status, gender and occupation have no significant relation with internet addiction. Analysis indicated there were no statistically significant differences between loneliness and age, term, level of education, marital status, gender and occupation.Discussion: Due to the relatively high rate of Internet addiction in the study population, the findings will be reported to relevant managers and officials, to be considered in planning future.
Organizational culture of Hamadan University of medical sciences based on Hofstede Model: Faculty perspective
Vahid Rashedi,Safar Shams-Vala,Ali Heidari
Pajouhan Scientific Journal , 2013,
Abstract: Introduction: In the recent years, organizational culture has been an important research concept in the management domain. This study intends to determine the organizational culture of Hamadan University of Medical Sciences form the view point of faculty members based on Hofstede Model.Material and Methods: In this cross-sectional descriptive-analytic study, faculty members of Hamadan University of medical sciences were research population that sample involved 162 people which have been selected through random sampling. To gather the data, Hofstede Organizational Culture Questionnaire was used as well as demographic variables questionnaire. To analyze the data SPSS was used.Results: The sample consisted of 63.59% male. The mean age of the sample was 36.45 (SD:4.35) and the mean years of employment was 16.43 (SD:5.77). 34.573% were lecturer, 52.47% assistant professor and 12.86% associate professor. The findings revealed the characteristics of the organizational culture of the research population as follows: cultural balance with a trend to masculinity, collectivism, low uncertainty avoidance and relatively balanced of power distance. Also factors such as age and years of employment have negative significant relation with uncertainty avoidance and masculinity-femininity rate in the man and women are different.Discussion: Faculty members in Hamadan University of Medical Sciences consider organizational culture supportive and they believe that University beside being emphasized over the social responsibilities, tends to avoid injustice.
Josephson junction between two high Tc superconductors with arbitrary transparency of interface
GhR Rashedi
Iranian Journal of Physics Research , 2010,
Abstract: In this paper, a dc Josephson junction between two singlet superconductors (d-wave and s-wave) with arbitrary reflection coefficient has been investigated theoretically. For the case of high Tc superconductors, the c-axes are parallel to an interface with finite transparency and their ab-planes have a mis-orientation. The physics of potential barrier will be demonstrated by a transparency coefficient via which the tunneling will occur. We have solved the nonlocal Eilenberger equations and obtained the corresponding and suitable Green functions analytically. Then, using the obtained Green functions, the current-phase diagrams have been calculated. The effect of the potential barrier and mis-orientation on the currents is studied analytically and numerically. It is observed that, the current phase relations are totally different from the case of ideal transparent Josephson junctions between d-wave superconductors and two s-wave superconductors. This apparatus can be used to demonstrate d-wave order parameter in high Tc superconductors.
Effect of Transparency on the D-wave Josephson Junction
Gholamreza Rashedi
Physics , 2008, DOI: 10.1088/0953-8984/21/7/075704
Abstract: In this paper, a dc Josephson junction between two singlet superconductors (d-wave and s-wave) with arbitrary reflection coefficient has been investigated theoretically following the famous paper [ Y. Tanaka and S. Kashiwaya 1996 \textit{Phys. Rev. B} {\bf 53}, R11957]. For the case of High $T_c$ superconductors, the $c$-axes are parallel to an interface with finite transparency and their $ab$-planes have a mis-orientation. The effect of transparency and mis-orientation on the currents is studied both analytically and numerically. It is observed that, the current phase relations are totally different from the case of ideal transparent Josephson junctions between d-wave superconductors and two s-wave superconductors. This apparatus can be used to demonstrate d-wave order parameter in High $T_c$ superconductors.
Charge and Spin Transport in Superconducting Weak Links
Gholamreza Rashedi
Physics , 2005,
Abstract: The coherent mixing of the current states in the superconducting weak link subject to a Josephson phase difference $\phi$ and subject to an external transport current in the banks is one of the aims of this work. At $\phi=\pi $ the nonlocal mixing of current states produces two vortices close to the point-contact between superconducting bulks. The effect of point-contact reflection in an impenetrable interface and effect of temperature on the vortices have been studied. It is obtained that increasing the reflection of the point-contact destroys the vortices while increasing the temperature restore these vortices. The vortex state is a new version of the interference between the macroscopic states and quantum tunnelling. Also, the weak link between unitary triplet superconductors which have $f-$wave and $p+h-$wave pairing symmetry has been studied from the spin and charge current-phase relation point of view. The main result in the second part of this thesis, is the polarization of the spin transport when a junction between triplet superconductors is used. It is observed that the spin current is the result of the misorientation between the gap vectors of two supercondcutors. In addition, the weak link between two bipolar non-unitary triplet superconductors is studied mathematically. The current-phase relations obtained in third part of this thesis are totally different from the junctions between the unitary spin-triplet superconductors and between the spin-singlet superconductors. The current phase diagrams which have been obtained in this work can be used to distinguish the symmetry of the order parameter in the crystals.
Effect of Parallel Transport Currents on the D-wave Josephson junction
Gholamreza Rashedi
Physics , 2009,
Abstract: In this paper, the nonlocal mixing of coherent current states in d-wave superconducting banks is investigated. The superconducting banks are connected via a ballistic point contact. The banks have a mis-orientation and a phase difference. Furthermore, they are subjected to a tangential transport current along the $ab$-plane of d-wave crystals and parallel with interface between superconductors. The effects of mis-orientation and external transport current on the current-phase relations and current distributions are subjects of this paper. It observed that, at values of phase difference close to 0, $\pi$ and $2\pi$ the current distribution may have a vortex-like form in vicinity of the point contact. The current distribution of this junction between d-wave superconductors is totally different from the junction between s-wave superconductors. As the interesting results, spontaneous and Josephson currents are observed for the case of $\phi=0$.
Explanation of Academic Achievement Based on Personality Characteristics Psycho-Social Climate of the Classroom and Students’ Academic Engagement in Mathematics  [PDF]
Khadijeh Abolmaali, Masoumeh Rashedi, Bita Ajilchi
Open Journal of Applied Sciences (OJAppS) , 2014, DOI: 10.4236/ojapps.2014.45022
Abstract: This research explains academic achievement based on the personality characteristics, the psycho-social climate of the classroom in terms of academic engagement in mathematics. The population was high schoolboys and girls in Damghan city in Iran. Participants were randomly selected using a multi-stage cluster method (513 boys and girls) and they simultaneously completed three questionnaires: academic engagement, the psycho-social climate of the classroom and personality characteristics. Path analysis was used to analyze data. The results showed that the direct effects of personality characteristics and psycho-social climate of the classroom on academic achievement were not significant. The direct effects of openness, conscientiousness and psycho-social climate of classroom on academic engagement were significant. The indirect effects (with mediation of academic engagement) and overall effects of openness, conscientiousness and psycho-social climate of classroom on academic achievement were significant, also the effect of academic engagement on academic achievement was significant.
Effect of transparency on Josephson junction between s+g-wave superconductors

Gholamreza Rashedi,

中国物理 B , 2010,
Abstract:
Charge and spin currents in normal metal sandwiched by tow p-wave
Y Rahnavard,GH Rashedi
Iranian Journal of Physics Research , 2010,
Abstract: Charge and spin transport properties of a clean $SNS$ Josephson junction (triplet superconductor-normal metal-triplet superconductor) are studied using the quasiclassical Eilenberger equation of Green’s function. Our system consists of two p-wave superconducting crystals separated by a Copper nano layer. Effects of thickness of normal layer between superconductors on the spin and charge currents are investigated. Also misorientation between triplet superconductors which creates the spin current is another subject of this paper.
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