107 research outputs found

    Exploring Quantum Dynamics and Thermodynamics in Superconducting Qubits

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    Quantum technology has been rapidly growing due to its potential revolutionary applications. In particular, superconducting qubits provide a strong light-matter interaction as required for quantum computation and in principle can be scaled up to a high level of complexity. However, obtaining the full benet of quantum mechanics in superconducting circuits requires a deep understanding of quantum physics in such systems in all aspects. One of the most crucial aspects is the concept of measurement and the dynamics of the quantum systems under the measurement process. This thesis is intended to be a pedagogical introduction to the concept of quantum measurement from an experimental perspective. We study the dynamics of a single superconducting qubit under continuous monitoring. We demonstrate that weak measurement is a versatile tool to investigate fundamental questions in quantum dynamics and quantum thermodynamics for open quantum systems

    Spontaneous Pneumomediastinum an Unusual Complication of Covid-19 Infection in a Non-intubated Patient With Diffuse Bilateral Ground-glass Opacity: A Case Report of Progression of Disease During Self-isolation

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    Background: Spontaneous pneumomediastinum or mediastinal emphysema is relatively a rare disease that occurs in viral and bacterial infections with the benign entity. Case: The patient was a 57-year-old man who, after a week of self-isolation at home, coming to the COVID-19 triage center of the hospital with severe shortness of breath. He was admitted to the Intensive Care Unit (ICU) due to acute respiratory failure. The patient was treated as the protocol designed and respiratory support with high flow nasal oxygen and Non-Invasive Positive Pressure Ventilation (NIPPV). Spontaneous pneumomediastinum was developed during viral pneumonia infection. The known risk factors included age, male sex, and abnormal laboratory finding. All the biochemical and hematological findings such as lymphopenia, thrombocytopenia, raised CRP, LDH, and ferritin were detected in our cases. They indicate a possible prognosis for the development of acute respiratory failure and adverse clinical outcomes.Conclusion: Spontaneous pneumomediastinum has usually a benign outcome in COVID-19 Pneumonia and its prognosis is related to background conditions in patients

    The Effect of Environmental Factors on Sociopetality of Urban Spaces

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    Sociopetality is an important multimodal concept, characterizing the interpersonal and social interactions of the inhabitants of a space. When designing a public space the concept of sociopetality becomes even more crucial since the promotion of social interaction is a primary goal. Sociopetal urban spaces can help revive the sociable atmosphere in cities and societies, which have become increasingly individualistic, and thereby respond to the social demands of citizens. In this paper, the sociopetality of urban space as an aspect of the most public places in the cities is studied. Considering the relevant literature, this research proposes a conceptual structure based on “human,” “environmental,” and “meaning and perceptual” aspects to describe sociopetality. Environmental factors, as the chief tools of designers and urban planners, are studied in particular. The characteristics of “location/context,” “physical/spatial,” and “function/usage” are introduced as the most basic environmental factors and analysed in the context of some successful urban spaces. Finally, the role of environmental parameters in the realization of the concept of sociopetality in these successful urban spaces is verified and practical ways to design sociopetal spaces are suggested
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