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One dimensional quantum Ising model with nearest neighbor interaction in transverse magnetic field is one of the simplest spin models which undergo quantum phase transition. This model has been precisely solved using different methods. In this paper, we solve this model in uniform magnetic field -Jgσxn precisely using a new method called Continuous Unitary Transformations (CUT) or flow equation...
abstract: advertisements are the most accessible type of authentic materials, and this is one reason why they are used more and more in english teaching classes. for this cause, studies in the field of advertisements are very widespread nowadays. for pun is one aspect which makes advertisements more interesting, it is used more than before in advertisements. use of puns makes an advertisement m...
The postulates of quantum mechanics say that when a measurement is made on a quantum state the outcome of the measurement is random [1]. In classical physics, if the state of a closed system is known, then the state of that system is completely predictable. As far as we know, randomness only exists in quantum mechanics [2]. Everett proposed a purely unitary quantum theory [3] (without probabili...
in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...
INTRODUCTION More than 1,100 thyroid operations are performed annually in Denmark. The major concern regarding outpatient thyroid surgery (OTS) is post-thyroidectomy bleeding (PTB), which may cause compression of the trachea and compromise respiration. We aimed to explore the incidence of PTB and the exact timespan from surgery to PTB, and to identify risk factors for PTB in order to discuss wh...
In recent years England has introduced a number of initiatives to promote more integrated care. Two contrasting examples are the GP-led health centres and the Integrated Care Pilots announced in the interim and final reports, respectively, of the NHS Next Stage Review in 2007-2008. The GP-led health centres were proposed as a very centralised, prescriptive approach where the aim was that all th...
We exhibit two black-box problems, both of which have an efficient quantum algorithm with zero-error, yet whose composition does not have an efficient quantum algorithm with zero-error. This shows that quantum zero-error algorithms cannot be composed. In oracle terms, we give a relativized world where ZQP 6= ZQP, while classically we always have ZPP = ZPP.
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